AudioDemo - Audio Demo with DISCO Board, takes control sample…

Senior Design: Sound Monitor » Code » AudioDemo

Senior Design: Sound Monitor / AudioDemo

Audio Demo with DISCO Board, takes control samples, waits for user input, samples regularly.

Dependencies: CMSIS_DSP_401 STM32L4xx_HAL_Driver mbed-src_DISO_AUDIO_DEMO

stm32l476g_discovery.c@0:3eee9435dd17, 2015-12-13 (annotated)

Committer:: EricLew
Date:: Sun Dec 13 19:12:11 2015 +0000
Revision:: 0:3eee9435dd17

Audio Demo using DISCO Board

Who changed what in which revision?

User	Revision	Line number	New contents of line
EricLew	0:3eee9435dd17	1	/**
EricLew	0:3eee9435dd17	2	******************************************************************************
EricLew	0:3eee9435dd17	3	* @file stm32l476g_discovery.c
EricLew	0:3eee9435dd17	4	* @author MCD Application Team
EricLew	0:3eee9435dd17	5	* @version V1.0.1
EricLew	0:3eee9435dd17	6	* @date 16-September-2015
EricLew	0:3eee9435dd17	7	* @brief This file provides a set of firmware functions to manage Leds,
EricLew	0:3eee9435dd17	8	* push-button and joystick of STM32L476G-Discovery board (MB1184)
EricLew	0:3eee9435dd17	9	******************************************************************************
EricLew	0:3eee9435dd17	10	* @attention
EricLew	0:3eee9435dd17	11	*
EricLew	0:3eee9435dd17	12	* <h2><center>© COPYRIGHT(c) 2015 STMicroelectronics</center></h2>
EricLew	0:3eee9435dd17	13	*
EricLew	0:3eee9435dd17	14	* Redistribution and use in source and binary forms, with or without modification,
EricLew	0:3eee9435dd17	15	* are permitted provided that the following conditions are met:
EricLew	0:3eee9435dd17	16	* 1. Redistributions of source code must retain the above copyright notice,
EricLew	0:3eee9435dd17	17	* this list of conditions and the following disclaimer.
EricLew	0:3eee9435dd17	18	* 2. Redistributions in binary form must reproduce the above copyright notice,
EricLew	0:3eee9435dd17	19	* this list of conditions and the following disclaimer in the documentation
EricLew	0:3eee9435dd17	20	* and/or other materials provided with the distribution.
EricLew	0:3eee9435dd17	21	* 3. Neither the name of STMicroelectronics nor the names of its contributors
EricLew	0:3eee9435dd17	22	* may be used to endorse or promote products derived from this software
EricLew	0:3eee9435dd17	23	* without specific prior written permission.
EricLew	0:3eee9435dd17	24	*
EricLew	0:3eee9435dd17	25	* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
EricLew	0:3eee9435dd17	26	* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
EricLew	0:3eee9435dd17	27	* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
EricLew	0:3eee9435dd17	28	* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
EricLew	0:3eee9435dd17	29	* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
EricLew	0:3eee9435dd17	30	* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
EricLew	0:3eee9435dd17	31	* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
EricLew	0:3eee9435dd17	32	* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
EricLew	0:3eee9435dd17	33	* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
EricLew	0:3eee9435dd17	34	* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
EricLew	0:3eee9435dd17	35	*
EricLew	0:3eee9435dd17	36	******************************************************************************
EricLew	0:3eee9435dd17	37	*/
EricLew	0:3eee9435dd17	38
EricLew	0:3eee9435dd17	39	/* Includes ------------------------------------------------------------------*/
EricLew	0:3eee9435dd17	40	#include "stm32l476g_discovery.h"
EricLew	0:3eee9435dd17	41
EricLew	0:3eee9435dd17	42	/** @addtogroup BSP
EricLew	0:3eee9435dd17	43	* @{
EricLew	0:3eee9435dd17	44	*/
EricLew	0:3eee9435dd17	45
EricLew	0:3eee9435dd17	46	/** @defgroup STM32L476G_DISCOVERY STM32L476G-DISCOVERY
EricLew	0:3eee9435dd17	47	* @{
EricLew	0:3eee9435dd17	48	*/
EricLew	0:3eee9435dd17	49
EricLew	0:3eee9435dd17	50	/** @defgroup STM32L476G_DISCOVERY_Common STM32L476G-DISCOVERY Common
EricLew	0:3eee9435dd17	51	* @{
EricLew	0:3eee9435dd17	52	*/
EricLew	0:3eee9435dd17	53
EricLew	0:3eee9435dd17	54	/** @defgroup STM32L476G_DISCOVERY_Private_TypesDefinitions Private Types Definitions
EricLew	0:3eee9435dd17	55	* @brief This file provides firmware functions to manage Leds, push-buttons,
EricLew	0:3eee9435dd17	56	* COM ports, SD card on SPI and temperature sensor (TS751) available on
EricLew	0:3eee9435dd17	57	* STM32L476G-DISCOVERY discoveryuation board from STMicroelectronics.
EricLew	0:3eee9435dd17	58	* @{
EricLew	0:3eee9435dd17	59	*/
EricLew	0:3eee9435dd17	60
EricLew	0:3eee9435dd17	61	/**
EricLew	0:3eee9435dd17	62	* @}
EricLew	0:3eee9435dd17	63	*/
EricLew	0:3eee9435dd17	64
EricLew	0:3eee9435dd17	65	/** @defgroup STM32L476G_DISCOVERY_Private_Defines Private Defines
EricLew	0:3eee9435dd17	66	* @{
EricLew	0:3eee9435dd17	67	*/
EricLew	0:3eee9435dd17	68
EricLew	0:3eee9435dd17	69	/**
EricLew	0:3eee9435dd17	70	* @brief STM32L476G DISCOVERY BSP Driver version number V1.0.1
EricLew	0:3eee9435dd17	71	*/
EricLew	0:3eee9435dd17	72	#define __STM32L476G_DISCOVERY_BSP_VERSION_MAIN (0x01) /!< [31:24] main version /
EricLew	0:3eee9435dd17	73	#define __STM32L476G_DISCOVERY_BSP_VERSION_SUB1 (0x00) /!< [23:16] sub1 version /
EricLew	0:3eee9435dd17	74	#define __STM32L476G_DISCOVERY_BSP_VERSION_SUB2 (0x01) /!< [15:8] sub2 version /
EricLew	0:3eee9435dd17	75	#define __STM32L476G_DISCOVERY_BSP_VERSION_RC (0x00) /!< [7:0] release candidate /
EricLew	0:3eee9435dd17	76	#define __STM32L476G_DISCOVERY_BSP_VERSION ((__STM32L476G_DISCOVERY_BSP_VERSION_MAIN << 24)\
EricLew	0:3eee9435dd17	77	\|(__STM32L476G_DISCOVERY_BSP_VERSION_SUB1 << 16)\
EricLew	0:3eee9435dd17	78	\|(__STM32L476G_DISCOVERY_BSP_VERSION_SUB2 << 8 )\
EricLew	0:3eee9435dd17	79	\|(__STM32L476G_DISCOVERY_BSP_VERSION_RC))
EricLew	0:3eee9435dd17	80	/**
EricLew	0:3eee9435dd17	81	* @}
EricLew	0:3eee9435dd17	82	*/
EricLew	0:3eee9435dd17	83
EricLew	0:3eee9435dd17	84
EricLew	0:3eee9435dd17	85	/** @defgroup STM32L476G_DISCOVERY_Private_Macros Private Macros
EricLew	0:3eee9435dd17	86	* @{
EricLew	0:3eee9435dd17	87	*/
EricLew	0:3eee9435dd17	88
EricLew	0:3eee9435dd17	89	/**
EricLew	0:3eee9435dd17	90	* @}
EricLew	0:3eee9435dd17	91	*/
EricLew	0:3eee9435dd17	92
EricLew	0:3eee9435dd17	93
EricLew	0:3eee9435dd17	94	/** @defgroup STM32L476G_DISCOVERY_Exported_Variables Exported Variables
EricLew	0:3eee9435dd17	95	* @{
EricLew	0:3eee9435dd17	96	*/
EricLew	0:3eee9435dd17	97
EricLew	0:3eee9435dd17	98	/**
EricLew	0:3eee9435dd17	99	* @brief LED variables
EricLew	0:3eee9435dd17	100	*/
EricLew	0:3eee9435dd17	101	#if defined (USE_STM32L476G_DISCO_REVC) \|\| defined (USE_STM32L476G_DISCO_REVB)
EricLew	0:3eee9435dd17	102	GPIO_TypeDef* LED_PORT[LEDn] = {LED4_GPIO_PORT,
EricLew	0:3eee9435dd17	103	LED5_GPIO_PORT};
EricLew	0:3eee9435dd17	104
EricLew	0:3eee9435dd17	105	const uint16_t LED_PIN[LEDn] = {LED4_PIN,
EricLew	0:3eee9435dd17	106	LED5_PIN};
EricLew	0:3eee9435dd17	107	#elif defined (USE_STM32L476G_DISCO_REVA)
EricLew	0:3eee9435dd17	108	GPIO_TypeDef* LED_PORT[LEDn] = {LED3_GPIO_PORT,
EricLew	0:3eee9435dd17	109	LED4_GPIO_PORT};
EricLew	0:3eee9435dd17	110
EricLew	0:3eee9435dd17	111	const uint16_t LED_PIN[LEDn] = {LED3_PIN,
EricLew	0:3eee9435dd17	112	LED4_PIN};
EricLew	0:3eee9435dd17	113	#endif
EricLew	0:3eee9435dd17	114
EricLew	0:3eee9435dd17	115
EricLew	0:3eee9435dd17	116	/**
EricLew	0:3eee9435dd17	117	* @brief JOYSTICK variables
EricLew	0:3eee9435dd17	118	*/
EricLew	0:3eee9435dd17	119	GPIO_TypeDef* JOY_PORT[JOYn] = {SEL_JOY_GPIO_PORT,
EricLew	0:3eee9435dd17	120	DOWN_JOY_GPIO_PORT,
EricLew	0:3eee9435dd17	121	LEFT_JOY_GPIO_PORT,
EricLew	0:3eee9435dd17	122	RIGHT_JOY_GPIO_PORT,
EricLew	0:3eee9435dd17	123	UP_JOY_GPIO_PORT};
EricLew	0:3eee9435dd17	124
EricLew	0:3eee9435dd17	125	const uint16_t JOY_PIN[JOYn] = {SEL_JOY_PIN,
EricLew	0:3eee9435dd17	126	LEFT_JOY_PIN,
EricLew	0:3eee9435dd17	127	RIGHT_JOY_PIN,
EricLew	0:3eee9435dd17	128	DOWN_JOY_PIN,
EricLew	0:3eee9435dd17	129	UP_JOY_PIN};
EricLew	0:3eee9435dd17	130
EricLew	0:3eee9435dd17	131	const uint8_t JOY_IRQn[JOYn] = {SEL_JOY_EXTI_IRQn,
EricLew	0:3eee9435dd17	132	LEFT_JOY_EXTI_IRQn,
EricLew	0:3eee9435dd17	133	RIGHT_JOY_EXTI_IRQn,
EricLew	0:3eee9435dd17	134	DOWN_JOY_EXTI_IRQn,
EricLew	0:3eee9435dd17	135	UP_JOY_EXTI_IRQn};
EricLew	0:3eee9435dd17	136
EricLew	0:3eee9435dd17	137	/**
EricLew	0:3eee9435dd17	138	* @brief BUS variables
EricLew	0:3eee9435dd17	139	*/
EricLew	0:3eee9435dd17	140	#if defined(HAL_I2C_MODULE_ENABLED)
EricLew	0:3eee9435dd17	141	uint32_t I2c1Timeout = DISCOVERY_I2C2_TIMEOUT_MAX; /<! Value of Timeout when I2C1 communication fails /
EricLew	0:3eee9435dd17	142	uint32_t I2c2Timeout = DISCOVERY_I2C2_TIMEOUT_MAX; /<! Value of Timeout when I2C2 communication fails /
EricLew	0:3eee9435dd17	143	static I2C_HandleTypeDef I2c1Handle;
EricLew	0:3eee9435dd17	144	static I2C_HandleTypeDef I2c2Handle;
EricLew	0:3eee9435dd17	145	#endif /* HAL_I2C_MODULE_ENABLED */
EricLew	0:3eee9435dd17	146
EricLew	0:3eee9435dd17	147	#if defined(HAL_SPI_MODULE_ENABLED)
EricLew	0:3eee9435dd17	148
EricLew	0:3eee9435dd17	149	/* LL definition */
EricLew	0:3eee9435dd17	150	#define __SPI_DIRECTION_2LINES(__HANDLE__) do{\
EricLew	0:3eee9435dd17	151	CLEAR_BIT((__HANDLE__)->Instance->CR1, SPI_CR1_RXONLY \| SPI_CR1_BIDIMODE \| SPI_CR1_BIDIOE);\
EricLew	0:3eee9435dd17	152	}while(0);
EricLew	0:3eee9435dd17	153
EricLew	0:3eee9435dd17	154	#define __SPI_DIRECTION_2LINES_RXONLY(__HANDLE__) do{\
EricLew	0:3eee9435dd17	155	CLEAR_BIT((__HANDLE__)->Instance->CR1, SPI_CR1_RXONLY \| SPI_CR1_BIDIMODE \| SPI_CR1_BIDIOE);\
EricLew	0:3eee9435dd17	156	SET_BIT((__HANDLE__)->Instance->CR1, SPI_CR1_RXONLY);\
EricLew	0:3eee9435dd17	157	}while(0);
EricLew	0:3eee9435dd17	158
EricLew	0:3eee9435dd17	159	#define __SPI_DIRECTION_1LINE_TX(__HANDLE__) do{\
EricLew	0:3eee9435dd17	160	CLEAR_BIT((__HANDLE__)->Instance->CR1, SPI_CR1_RXONLY \| SPI_CR1_BIDIMODE \| SPI_CR1_BIDIOE);\
EricLew	0:3eee9435dd17	161	SET_BIT((__HANDLE__)->Instance->CR1, SPI_CR1_BIDIMODE \| SPI_CR1_BIDIOE);\
EricLew	0:3eee9435dd17	162	}while(0);
EricLew	0:3eee9435dd17	163
EricLew	0:3eee9435dd17	164	#define __SPI_DIRECTION_1LINE_RX(__HANDLE__) do {\
EricLew	0:3eee9435dd17	165	CLEAR_BIT((__HANDLE__)->Instance->CR1, SPI_CR1_RXONLY \| SPI_CR1_BIDIMODE \| SPI_CR1_BIDIOE);\
EricLew	0:3eee9435dd17	166	SET_BIT((__HANDLE__)->Instance->CR1, SPI_CR1_BIDIMODE);\
EricLew	0:3eee9435dd17	167	} while(0);
EricLew	0:3eee9435dd17	168
EricLew	0:3eee9435dd17	169
EricLew	0:3eee9435dd17	170	uint32_t SpixTimeout = SPIx_TIMEOUT_MAX; /<! Value of Timeout when SPI communication fails /
EricLew	0:3eee9435dd17	171	static SPI_HandleTypeDef SpiHandle;
EricLew	0:3eee9435dd17	172	#endif /* HAL_SPI_MODULE_ENABLED */
EricLew	0:3eee9435dd17	173
EricLew	0:3eee9435dd17	174	/**
EricLew	0:3eee9435dd17	175	* @}
EricLew	0:3eee9435dd17	176	*/
EricLew	0:3eee9435dd17	177
EricLew	0:3eee9435dd17	178	/** @defgroup STM32L476G_DISCOVERY_Private_FunctionPrototypes Private Functions
EricLew	0:3eee9435dd17	179	* @{
EricLew	0:3eee9435dd17	180	*/
EricLew	0:3eee9435dd17	181	/************************** Bus functions **********************************/
EricLew	0:3eee9435dd17	182	/* I2C2 bus function */
EricLew	0:3eee9435dd17	183	#if defined(HAL_I2C_MODULE_ENABLED)
EricLew	0:3eee9435dd17	184	static void I2C2_Init(void);
EricLew	0:3eee9435dd17	185	static void I2C2_MspInit(I2C_HandleTypeDef *hi2c);
EricLew	0:3eee9435dd17	186	static void I2C2_DeInit(void);
EricLew	0:3eee9435dd17	187	static void I2C2_MspDeInit(I2C_HandleTypeDef *hi2c);
EricLew	0:3eee9435dd17	188	static void I2C2_WriteData(uint16_t Addr, uint16_t Reg, uint16_t RegSize, uint8_t Value);
EricLew	0:3eee9435dd17	189	static HAL_StatusTypeDef I2C2_WriteBuffer(uint16_t Addr, uint16_t Reg, uint16_t RegSize, uint8_t *pBuffer, uint16_t Length);
EricLew	0:3eee9435dd17	190	static uint8_t I2C2_ReadData(uint16_t Addr, uint16_t Reg, uint16_t RegSize);
EricLew	0:3eee9435dd17	191	static HAL_StatusTypeDef I2C2_ReadBuffer(uint16_t Addr, uint16_t Reg, uint16_t RegSize, uint8_t *pBuffer, uint16_t Length);
EricLew	0:3eee9435dd17	192	static void I2C2_Error (void);
EricLew	0:3eee9435dd17	193
EricLew	0:3eee9435dd17	194	static void I2C1_Init(void);
EricLew	0:3eee9435dd17	195	static void I2C1_MspInit(I2C_HandleTypeDef *hi2c);
EricLew	0:3eee9435dd17	196	static void I2C1_DeInit(void);
EricLew	0:3eee9435dd17	197	static void I2C1_MspDeInit(I2C_HandleTypeDef *hi2c);
EricLew	0:3eee9435dd17	198	static HAL_StatusTypeDef I2C1_WriteBuffer(uint16_t Addr, uint16_t Reg, uint16_t RegSize, uint8_t *pBuffer, uint16_t Length);
EricLew	0:3eee9435dd17	199	static HAL_StatusTypeDef I2C1_ReadBuffer(uint16_t Addr, uint16_t Reg, uint16_t RegSize, uint8_t *pBuffer, uint16_t Length);
EricLew	0:3eee9435dd17	200	static void I2C1_Error (void);
EricLew	0:3eee9435dd17	201	#endif/* HAL_I2C_MODULE_ENABLED */
EricLew	0:3eee9435dd17	202
EricLew	0:3eee9435dd17	203	/* SPIx bus function */
EricLew	0:3eee9435dd17	204	#if defined(HAL_SPI_MODULE_ENABLED)
EricLew	0:3eee9435dd17	205	static void SPIx_Init(void);
EricLew	0:3eee9435dd17	206	static void SPIx_MspInit(SPI_HandleTypeDef *hspi);
EricLew	0:3eee9435dd17	207	static void SPIx_DeInit(void);
EricLew	0:3eee9435dd17	208	static void SPIx_MspDeInit(void);
EricLew	0:3eee9435dd17	209	static uint8_t SPIx_WriteRead(uint8_t Byte);
EricLew	0:3eee9435dd17	210	static void SPIx_Write(uint8_t byte);
EricLew	0:3eee9435dd17	211	static uint8_t SPIx_Read(void);
EricLew	0:3eee9435dd17	212	#endif
EricLew	0:3eee9435dd17	213
EricLew	0:3eee9435dd17	214	/************************** Link functions *********************************/
EricLew	0:3eee9435dd17	215	#if defined(HAL_I2C_MODULE_ENABLED)
EricLew	0:3eee9435dd17	216	/* Link functions for EEPROM peripheral over I2C */
EricLew	0:3eee9435dd17	217	void EEPROM_I2C_IO_Init(void);
EricLew	0:3eee9435dd17	218	HAL_StatusTypeDef EEPROM_I2C_IO_WriteData(uint16_t DevAddress, uint16_t MemAddress, uint8_t* pBuffer, uint32_t BufferSize);
EricLew	0:3eee9435dd17	219	HAL_StatusTypeDef EEPROM_I2C_IO_ReadData(uint16_t DevAddress, uint16_t MemAddress, uint8_t* pBuffer, uint32_t BufferSize);
EricLew	0:3eee9435dd17	220	HAL_StatusTypeDef EEPROM_I2C_IO_IsDeviceReady(uint16_t DevAddress, uint32_t Trials);
EricLew	0:3eee9435dd17	221
EricLew	0:3eee9435dd17	222	/* Link functions for Audio Codec peripheral */
EricLew	0:3eee9435dd17	223	void AUDIO_IO_Init(void);
EricLew	0:3eee9435dd17	224	void AUDIO_IO_DeInit(void);
EricLew	0:3eee9435dd17	225	void AUDIO_IO_Write(uint8_t Addr, uint8_t Reg, uint8_t Value);
EricLew	0:3eee9435dd17	226	uint8_t AUDIO_IO_Read(uint8_t Addr, uint8_t Reg);
EricLew	0:3eee9435dd17	227	void AUDIO_IO_Delay(uint32_t delay);
EricLew	0:3eee9435dd17	228	#endif/* HAL_I2C_MODULE_ENABLED */
EricLew	0:3eee9435dd17	229
EricLew	0:3eee9435dd17	230	#if defined(HAL_SPI_MODULE_ENABLED)
EricLew	0:3eee9435dd17	231	/* Link function for COMPASS / ACCELERO peripheral */
EricLew	0:3eee9435dd17	232	void ACCELERO_IO_Init(void);
EricLew	0:3eee9435dd17	233	void ACCELERO_IO_DeInit(void);
EricLew	0:3eee9435dd17	234	void ACCELERO_IO_ITConfig(void);
EricLew	0:3eee9435dd17	235	void ACCELERO_IO_Write(uint8_t RegisterAddr, uint8_t Value);
EricLew	0:3eee9435dd17	236	uint8_t ACCELERO_IO_Read(uint8_t RegisterAddr);
EricLew	0:3eee9435dd17	237
EricLew	0:3eee9435dd17	238	void MAGNETO_IO_Init(void);
EricLew	0:3eee9435dd17	239	void MAGNETO_IO_DeInit(void);
EricLew	0:3eee9435dd17	240	void MAGNETO_IO_ITConfig(void);
EricLew	0:3eee9435dd17	241	void MAGNETO_IO_Write(uint8_t RegisterAddr, uint8_t Value);
EricLew	0:3eee9435dd17	242	uint8_t MAGNETO_IO_Read(uint8_t RegisterAddr);
EricLew	0:3eee9435dd17	243
EricLew	0:3eee9435dd17	244
EricLew	0:3eee9435dd17	245	/* Link functions for GYRO peripheral */
EricLew	0:3eee9435dd17	246	void GYRO_IO_Init(void);
EricLew	0:3eee9435dd17	247	void GYRO_IO_DeInit(void);
EricLew	0:3eee9435dd17	248	void GYRO_IO_Write(uint8_t* pBuffer, uint8_t WriteAddr, uint16_t NumByteToWrite);
EricLew	0:3eee9435dd17	249	void GYRO_IO_Read(uint8_t* pBuffer, uint8_t ReadAddr, uint16_t NumByteToRead);
EricLew	0:3eee9435dd17	250
EricLew	0:3eee9435dd17	251	#endif
EricLew	0:3eee9435dd17	252
EricLew	0:3eee9435dd17	253	#if defined(HAL_I2C_MODULE_ENABLED)
EricLew	0:3eee9435dd17	254	/* Link functions IOExpander */
EricLew	0:3eee9435dd17	255	void IOE_Init(void);
EricLew	0:3eee9435dd17	256	void IOE_ITConfig(void);
EricLew	0:3eee9435dd17	257	void IOE_Delay(uint32_t Delay);
EricLew	0:3eee9435dd17	258	void IOE_Write(uint8_t Addr, uint8_t Reg, uint8_t Value);
EricLew	0:3eee9435dd17	259	uint8_t IOE_Read(uint8_t Addr, uint8_t Reg);
EricLew	0:3eee9435dd17	260	uint16_t IOE_ReadMultiple(uint8_t Addr, uint8_t Reg, uint8_t *Buffer, uint16_t Length);
EricLew	0:3eee9435dd17	261
EricLew	0:3eee9435dd17	262	/* Link functions for IDD measurment */
EricLew	0:3eee9435dd17	263	void MFX_IO_Init(void);
EricLew	0:3eee9435dd17	264	void MFX_IO_DeInit(void);
EricLew	0:3eee9435dd17	265	void MFX_IO_ITConfig (void);
EricLew	0:3eee9435dd17	266	void MFX_IO_EnableWakeupPin(void);
EricLew	0:3eee9435dd17	267	void MFX_IO_Wakeup(void);
EricLew	0:3eee9435dd17	268	void MFX_IO_Delay(uint32_t delay);
EricLew	0:3eee9435dd17	269	void MFX_IO_Write(uint16_t addr, uint8_t reg, uint8_t value);
EricLew	0:3eee9435dd17	270	uint8_t MFX_IO_Read(uint16_t addr, uint8_t reg);
EricLew	0:3eee9435dd17	271	void MFX_IO_WriteMultiple(uint16_t Addr, uint8_t Reg, uint8_t *Buffer, uint16_t Length);
EricLew	0:3eee9435dd17	272	uint16_t MFX_IO_ReadMultiple(uint16_t addr, uint8_t reg, uint8_t *buffer, uint16_t length);
EricLew	0:3eee9435dd17	273	#endif/* HAL_I2C_MODULE_ENABLED */
EricLew	0:3eee9435dd17	274	/**
EricLew	0:3eee9435dd17	275	* @}
EricLew	0:3eee9435dd17	276	*/
EricLew	0:3eee9435dd17	277
EricLew	0:3eee9435dd17	278	/** @defgroup STM32L476G_DISCOVERY_Exported_Functions Exported Functions
EricLew	0:3eee9435dd17	279	* @{
EricLew	0:3eee9435dd17	280	*/
EricLew	0:3eee9435dd17	281
EricLew	0:3eee9435dd17	282	/**
EricLew	0:3eee9435dd17	283	* @brief This method returns the STM32L476 DISCOVERY BSP Driver revision
EricLew	0:3eee9435dd17	284	* @retval version : 0xXYZR (8bits for each decimal, R for RC)
EricLew	0:3eee9435dd17	285	*/
EricLew	0:3eee9435dd17	286	uint32_t BSP_GetVersion(void)
EricLew	0:3eee9435dd17	287	{
EricLew	0:3eee9435dd17	288	return __STM32L476G_DISCOVERY_BSP_VERSION;
EricLew	0:3eee9435dd17	289	}
EricLew	0:3eee9435dd17	290
EricLew	0:3eee9435dd17	291	/**
EricLew	0:3eee9435dd17	292	* @brief This method returns the STM32L476 DISCOVERY supply mode
EricLew	0:3eee9435dd17	293	* @retval Code of current supply mode
EricLew	0:3eee9435dd17	294	* This code can be one of following:
EricLew	0:3eee9435dd17	295	* @arg SUPPLY_MODE_EXTERNAL
EricLew	0:3eee9435dd17	296	* @arg SUPPLY_MODE_BATTERY
EricLew	0:3eee9435dd17	297	*/
EricLew	0:3eee9435dd17	298	SupplyMode_TypeDef BSP_SupplyModeDetection(void)
EricLew	0:3eee9435dd17	299	{
EricLew	0:3eee9435dd17	300	SupplyMode_TypeDef supplymode = SUPPLY_MODE_ERROR;
EricLew	0:3eee9435dd17	301	GPIO_InitTypeDef GPIO_InitStruct;
EricLew	0:3eee9435dd17	302
EricLew	0:3eee9435dd17	303	BATTERY_DETECTION_GPIO_CLK_ENABLE();
EricLew	0:3eee9435dd17	304
EricLew	0:3eee9435dd17	305	/* COMP GPIO pin configuration */
EricLew	0:3eee9435dd17	306	GPIO_InitStruct.Pin = BATTERY_DETECTION_PIN;
EricLew	0:3eee9435dd17	307	GPIO_InitStruct.Mode = GPIO_MODE_INPUT;
EricLew	0:3eee9435dd17	308	GPIO_InitStruct.Pull = GPIO_NOPULL;
EricLew	0:3eee9435dd17	309	GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_VERY_HIGH;
EricLew	0:3eee9435dd17	310	HAL_GPIO_Init(BATTERY_DETECTION_GPIO_PORT, &GPIO_InitStruct);
EricLew	0:3eee9435dd17	311
EricLew	0:3eee9435dd17	312	HAL_Delay(400);
EricLew	0:3eee9435dd17	313	if(HAL_GPIO_ReadPin(BATTERY_DETECTION_GPIO_PORT, GPIO_InitStruct.Pin) != GPIO_PIN_RESET)
EricLew	0:3eee9435dd17	314	{
EricLew	0:3eee9435dd17	315	supplymode = SUPPLY_MODE_EXTERNAL;
EricLew	0:3eee9435dd17	316	}
EricLew	0:3eee9435dd17	317	else
EricLew	0:3eee9435dd17	318	{
EricLew	0:3eee9435dd17	319	supplymode = SUPPLY_MODE_BATTERY;
EricLew	0:3eee9435dd17	320	}
EricLew	0:3eee9435dd17	321
EricLew	0:3eee9435dd17	322	HAL_GPIO_DeInit(BATTERY_DETECTION_GPIO_PORT, GPIO_InitStruct.Pin);
EricLew	0:3eee9435dd17	323
EricLew	0:3eee9435dd17	324	return supplymode;
EricLew	0:3eee9435dd17	325	}
EricLew	0:3eee9435dd17	326
EricLew	0:3eee9435dd17	327	#if defined (USE_STM32L476G_DISCO_REVC) \|\| defined (USE_STM32L476G_DISCO_REVB)
EricLew	0:3eee9435dd17	328	/**
EricLew	0:3eee9435dd17	329	* @brief Configures LED GPIOs.
EricLew	0:3eee9435dd17	330	* @param Led: Specifies the Led to be configured.
EricLew	0:3eee9435dd17	331	* This parameter can be one of following parameters:
EricLew	0:3eee9435dd17	332	* @arg LED4
EricLew	0:3eee9435dd17	333	* @arg LED5
EricLew	0:3eee9435dd17	334	* @retval None
EricLew	0:3eee9435dd17	335	*/
EricLew	0:3eee9435dd17	336	#elif defined (USE_STM32L476G_DISCO_REVA)
EricLew	0:3eee9435dd17	337	/**
EricLew	0:3eee9435dd17	338	* @brief Configures LED GPIOs.
EricLew	0:3eee9435dd17	339	* @param Led: Specifies the Led to be configured.
EricLew	0:3eee9435dd17	340	* This parameter can be one of following parameters:
EricLew	0:3eee9435dd17	341	* @arg LED3
EricLew	0:3eee9435dd17	342	* @arg LED4
EricLew	0:3eee9435dd17	343	* @retval None
EricLew	0:3eee9435dd17	344	*/
EricLew	0:3eee9435dd17	345	#endif
EricLew	0:3eee9435dd17	346	void BSP_LED_Init(Led_TypeDef Led)
EricLew	0:3eee9435dd17	347	{
EricLew	0:3eee9435dd17	348	GPIO_InitTypeDef GPIO_InitStructure;
EricLew	0:3eee9435dd17	349
EricLew	0:3eee9435dd17	350	/* Enable the GPIO_LED clock */
EricLew	0:3eee9435dd17	351	LEDx_GPIO_CLK_ENABLE(Led);
EricLew	0:3eee9435dd17	352
EricLew	0:3eee9435dd17	353	/* Configure the GPIO_LED pin */
EricLew	0:3eee9435dd17	354	GPIO_InitStructure.Pin = LED_PIN[Led];
EricLew	0:3eee9435dd17	355	GPIO_InitStructure.Mode = GPIO_MODE_OUTPUT_PP;
EricLew	0:3eee9435dd17	356	GPIO_InitStructure.Pull = GPIO_NOPULL;
EricLew	0:3eee9435dd17	357	GPIO_InitStructure.Speed = GPIO_SPEED_FREQ_VERY_HIGH;
EricLew	0:3eee9435dd17	358
EricLew	0:3eee9435dd17	359	HAL_GPIO_Init(LED_PORT[Led], &GPIO_InitStructure);
EricLew	0:3eee9435dd17	360
EricLew	0:3eee9435dd17	361	HAL_GPIO_WritePin(LED_PORT[Led], GPIO_InitStructure.Pin, GPIO_PIN_RESET);
EricLew	0:3eee9435dd17	362	}
EricLew	0:3eee9435dd17	363
EricLew	0:3eee9435dd17	364	#if defined (USE_STM32L476G_DISCO_REVC) \|\| defined (USE_STM32L476G_DISCO_REVB)
EricLew	0:3eee9435dd17	365	/**
EricLew	0:3eee9435dd17	366	* @brief Unconfigures LED GPIOs.
EricLew	0:3eee9435dd17	367	* @param Led: Specifies the Led to be unconfigured.
EricLew	0:3eee9435dd17	368	* This parameter can be one of following parameters:
EricLew	0:3eee9435dd17	369	* @arg LED4
EricLew	0:3eee9435dd17	370	* @arg LED5
EricLew	0:3eee9435dd17	371	* @retval None
EricLew	0:3eee9435dd17	372	*/
EricLew	0:3eee9435dd17	373	#elif defined (USE_STM32L476G_DISCO_REVA)
EricLew	0:3eee9435dd17	374	/**
EricLew	0:3eee9435dd17	375	* @brief Unconfigures LED GPIOs.
EricLew	0:3eee9435dd17	376	* @param Led: Specifies the Led to be unconfigured.
EricLew	0:3eee9435dd17	377	* This parameter can be one of following parameters:
EricLew	0:3eee9435dd17	378	* @arg LED3
EricLew	0:3eee9435dd17	379	* @arg LED4
EricLew	0:3eee9435dd17	380	* @retval None
EricLew	0:3eee9435dd17	381	*/
EricLew	0:3eee9435dd17	382	#endif
EricLew	0:3eee9435dd17	383	void BSP_LED_DeInit(Led_TypeDef Led)
EricLew	0:3eee9435dd17	384	{
EricLew	0:3eee9435dd17	385	/* Enable the GPIO_LED clock */
EricLew	0:3eee9435dd17	386	LEDx_GPIO_CLK_ENABLE(Led);
EricLew	0:3eee9435dd17	387
EricLew	0:3eee9435dd17	388	HAL_GPIO_DeInit(LED_PORT[Led], LED_PIN[Led]);
EricLew	0:3eee9435dd17	389	}
EricLew	0:3eee9435dd17	390
EricLew	0:3eee9435dd17	391	#if defined (USE_STM32L476G_DISCO_REVC) \|\| defined (USE_STM32L476G_DISCO_REVB)
EricLew	0:3eee9435dd17	392	/**
EricLew	0:3eee9435dd17	393	* @brief Turns selected LED On.
EricLew	0:3eee9435dd17	394	* @param Led: Specifies the Led to be set on.
EricLew	0:3eee9435dd17	395	* This parameter can be one of following parameters:
EricLew	0:3eee9435dd17	396	* @arg LED4
EricLew	0:3eee9435dd17	397	* @arg LED5
EricLew	0:3eee9435dd17	398	* @retval None
EricLew	0:3eee9435dd17	399	*/
EricLew	0:3eee9435dd17	400	#elif defined (USE_STM32L476G_DISCO_REVA)
EricLew	0:3eee9435dd17	401	/**
EricLew	0:3eee9435dd17	402	* @brief Turns selected LED On.
EricLew	0:3eee9435dd17	403	* @param Led: Specifies the Led to be set on.
EricLew	0:3eee9435dd17	404	* This parameter can be one of following parameters:
EricLew	0:3eee9435dd17	405	* @arg LED3
EricLew	0:3eee9435dd17	406	* @arg LED4
EricLew	0:3eee9435dd17	407	* @retval None
EricLew	0:3eee9435dd17	408	*/
EricLew	0:3eee9435dd17	409	#endif
EricLew	0:3eee9435dd17	410	void BSP_LED_On(Led_TypeDef Led)
EricLew	0:3eee9435dd17	411	{
EricLew	0:3eee9435dd17	412	HAL_GPIO_WritePin(LED_PORT[Led], LED_PIN[Led], GPIO_PIN_SET);
EricLew	0:3eee9435dd17	413	}
EricLew	0:3eee9435dd17	414
EricLew	0:3eee9435dd17	415	#if defined (USE_STM32L476G_DISCO_REVC) \|\| defined (USE_STM32L476G_DISCO_REVB)
EricLew	0:3eee9435dd17	416	/**
EricLew	0:3eee9435dd17	417	* @brief Turns selected LED Off.
EricLew	0:3eee9435dd17	418	* @param Led: Specifies the Led to be set off.
EricLew	0:3eee9435dd17	419	* This parameter can be one of following parameters:
EricLew	0:3eee9435dd17	420	* @arg LED4
EricLew	0:3eee9435dd17	421	* @arg LED5
EricLew	0:3eee9435dd17	422	* @retval None
EricLew	0:3eee9435dd17	423	*/
EricLew	0:3eee9435dd17	424	#elif defined (USE_STM32L476G_DISCO_REVA)
EricLew	0:3eee9435dd17	425	/**
EricLew	0:3eee9435dd17	426	* @brief Turns selected LED Off.
EricLew	0:3eee9435dd17	427	* @param Led: Specifies the Led to be set off.
EricLew	0:3eee9435dd17	428	* This parameter can be one of following parameters:
EricLew	0:3eee9435dd17	429	* @arg LED3
EricLew	0:3eee9435dd17	430	* @arg LED4
EricLew	0:3eee9435dd17	431	* @retval None
EricLew	0:3eee9435dd17	432	*/
EricLew	0:3eee9435dd17	433	#endif
EricLew	0:3eee9435dd17	434	void BSP_LED_Off(Led_TypeDef Led)
EricLew	0:3eee9435dd17	435	{
EricLew	0:3eee9435dd17	436	HAL_GPIO_WritePin(LED_PORT[Led], LED_PIN[Led], GPIO_PIN_RESET);
EricLew	0:3eee9435dd17	437	}
EricLew	0:3eee9435dd17	438
EricLew	0:3eee9435dd17	439	#if defined (USE_STM32L476G_DISCO_REVC) \|\| defined (USE_STM32L476G_DISCO_REVB)
EricLew	0:3eee9435dd17	440	/**
EricLew	0:3eee9435dd17	441	* @brief Toggles the selected LED.
EricLew	0:3eee9435dd17	442	* @param Led: Specifies the Led to be toggled.
EricLew	0:3eee9435dd17	443	* This parameter can be one of following parameters:
EricLew	0:3eee9435dd17	444	* @arg LED4
EricLew	0:3eee9435dd17	445	* @arg LED5
EricLew	0:3eee9435dd17	446	* @retval None
EricLew	0:3eee9435dd17	447	*/
EricLew	0:3eee9435dd17	448	#elif defined (USE_STM32L476G_DISCO_REVA)
EricLew	0:3eee9435dd17	449	/**
EricLew	0:3eee9435dd17	450	* @brief Toggles the selected LED.
EricLew	0:3eee9435dd17	451	* @param Led: Specifies the Led to be toggled.
EricLew	0:3eee9435dd17	452	* This parameter can be one of following parameters:
EricLew	0:3eee9435dd17	453	* @arg LED3
EricLew	0:3eee9435dd17	454	* @arg LED4
EricLew	0:3eee9435dd17	455	* @retval None
EricLew	0:3eee9435dd17	456	*/
EricLew	0:3eee9435dd17	457	#endif
EricLew	0:3eee9435dd17	458	void BSP_LED_Toggle(Led_TypeDef Led)
EricLew	0:3eee9435dd17	459	{
EricLew	0:3eee9435dd17	460	HAL_GPIO_TogglePin(LED_PORT[Led], LED_PIN[Led]);
EricLew	0:3eee9435dd17	461	}
EricLew	0:3eee9435dd17	462
EricLew	0:3eee9435dd17	463	/**
EricLew	0:3eee9435dd17	464	* @brief Configures all buttons of the joystick in GPIO or EXTI modes.
EricLew	0:3eee9435dd17	465	* @param Joy_Mode: Joystick mode.
EricLew	0:3eee9435dd17	466	* This parameter can be one of the following values:
EricLew	0:3eee9435dd17	467	* @arg JOY_MODE_GPIO: Joystick pins will be used as simple IOs
EricLew	0:3eee9435dd17	468	* @arg JOY_MODE_EXTI: Joystick pins will be connected to EXTI line
EricLew	0:3eee9435dd17	469	* with interrupt generation capability
EricLew	0:3eee9435dd17	470	* @retval HAL_OK: if all initializations are OK. Other value if error.
EricLew	0:3eee9435dd17	471	*/
EricLew	0:3eee9435dd17	472	uint8_t BSP_JOY_Init(JOYMode_TypeDef Joy_Mode)
EricLew	0:3eee9435dd17	473	{
EricLew	0:3eee9435dd17	474	JOYState_TypeDef joykey;
EricLew	0:3eee9435dd17	475	GPIO_InitTypeDef GPIO_InitStruct;
EricLew	0:3eee9435dd17	476
EricLew	0:3eee9435dd17	477	/* Initialized the Joystick. */
EricLew	0:3eee9435dd17	478	for(joykey = JOY_SEL; joykey < (JOY_SEL + JOYn) ; joykey++)
EricLew	0:3eee9435dd17	479	{
EricLew	0:3eee9435dd17	480	/* Enable the JOY clock */
EricLew	0:3eee9435dd17	481	JOYx_GPIO_CLK_ENABLE(joykey);
EricLew	0:3eee9435dd17	482
EricLew	0:3eee9435dd17	483	GPIO_InitStruct.Pin = JOY_PIN[joykey];
EricLew	0:3eee9435dd17	484	GPIO_InitStruct.Pull = GPIO_PULLDOWN;
EricLew	0:3eee9435dd17	485	GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_VERY_HIGH;
EricLew	0:3eee9435dd17	486
EricLew	0:3eee9435dd17	487	if (Joy_Mode == JOY_MODE_GPIO)
EricLew	0:3eee9435dd17	488	{
EricLew	0:3eee9435dd17	489	/* Configure Joy pin as input */
EricLew	0:3eee9435dd17	490	GPIO_InitStruct.Mode = GPIO_MODE_INPUT;
EricLew	0:3eee9435dd17	491	HAL_GPIO_Init(JOY_PORT[joykey], &GPIO_InitStruct);
EricLew	0:3eee9435dd17	492	}
EricLew	0:3eee9435dd17	493	else if (Joy_Mode == JOY_MODE_EXTI)
EricLew	0:3eee9435dd17	494	{
EricLew	0:3eee9435dd17	495	/* Configure Joy pin as input with External interrupt */
EricLew	0:3eee9435dd17	496	GPIO_InitStruct.Mode = GPIO_MODE_IT_FALLING;
EricLew	0:3eee9435dd17	497	HAL_GPIO_Init(JOY_PORT[joykey], &GPIO_InitStruct);
EricLew	0:3eee9435dd17	498
EricLew	0:3eee9435dd17	499	/* Enable and set Joy EXTI Interrupt to the lowest priority */
EricLew	0:3eee9435dd17	500	HAL_NVIC_SetPriority((IRQn_Type)(JOY_IRQn[joykey]), 0x0F, 0x00);
EricLew	0:3eee9435dd17	501	HAL_NVIC_EnableIRQ((IRQn_Type)(JOY_IRQn[joykey]));
EricLew	0:3eee9435dd17	502	}
EricLew	0:3eee9435dd17	503	}
EricLew	0:3eee9435dd17	504
EricLew	0:3eee9435dd17	505	return HAL_OK;
EricLew	0:3eee9435dd17	506	}
EricLew	0:3eee9435dd17	507
EricLew	0:3eee9435dd17	508	/**
EricLew	0:3eee9435dd17	509	* @brief Unonfigures all GPIOs used as buttons of the joystick.
EricLew	0:3eee9435dd17	510	* @retval None.
EricLew	0:3eee9435dd17	511	*/
EricLew	0:3eee9435dd17	512	void BSP_JOY_DeInit(void)
EricLew	0:3eee9435dd17	513	{
EricLew	0:3eee9435dd17	514	JOYState_TypeDef joykey;
EricLew	0:3eee9435dd17	515
EricLew	0:3eee9435dd17	516	/* Initialized the Joystick. */
EricLew	0:3eee9435dd17	517	for(joykey = JOY_SEL; joykey < (JOY_SEL + JOYn) ; joykey++)
EricLew	0:3eee9435dd17	518	{
EricLew	0:3eee9435dd17	519	/* Enable the JOY clock */
EricLew	0:3eee9435dd17	520	JOYx_GPIO_CLK_ENABLE(joykey);
EricLew	0:3eee9435dd17	521
EricLew	0:3eee9435dd17	522	HAL_GPIO_DeInit(JOY_PORT[joykey], JOY_PIN[joykey]);
EricLew	0:3eee9435dd17	523	}
EricLew	0:3eee9435dd17	524	}
EricLew	0:3eee9435dd17	525
EricLew	0:3eee9435dd17	526	/**
EricLew	0:3eee9435dd17	527	* @brief Returns the current joystick status.
EricLew	0:3eee9435dd17	528	* @retval Code of the joystick key pressed
EricLew	0:3eee9435dd17	529	* This code can be one of the following values:
EricLew	0:3eee9435dd17	530	* @arg JOY_NONE
EricLew	0:3eee9435dd17	531	* @arg JOY_SEL
EricLew	0:3eee9435dd17	532	* @arg JOY_DOWN
EricLew	0:3eee9435dd17	533	* @arg JOY_LEFT
EricLew	0:3eee9435dd17	534	* @arg JOY_RIGHT
EricLew	0:3eee9435dd17	535	* @arg JOY_UP
EricLew	0:3eee9435dd17	536	*/
EricLew	0:3eee9435dd17	537	JOYState_TypeDef BSP_JOY_GetState(void)
EricLew	0:3eee9435dd17	538	{
EricLew	0:3eee9435dd17	539	JOYState_TypeDef joykey;
EricLew	0:3eee9435dd17	540
EricLew	0:3eee9435dd17	541	for (joykey = JOY_SEL; joykey < (JOY_SEL + JOYn) ; joykey++)
EricLew	0:3eee9435dd17	542	{
EricLew	0:3eee9435dd17	543	if (HAL_GPIO_ReadPin(JOY_PORT[joykey], JOY_PIN[joykey]) == GPIO_PIN_SET)
EricLew	0:3eee9435dd17	544	{
EricLew	0:3eee9435dd17	545	/* Return Code Joystick key pressed */
EricLew	0:3eee9435dd17	546	return joykey;
EricLew	0:3eee9435dd17	547	}
EricLew	0:3eee9435dd17	548	}
EricLew	0:3eee9435dd17	549
EricLew	0:3eee9435dd17	550	/* No Joystick key pressed */
EricLew	0:3eee9435dd17	551	return JOY_NONE;
EricLew	0:3eee9435dd17	552	}
EricLew	0:3eee9435dd17	553
EricLew	0:3eee9435dd17	554	/**
EricLew	0:3eee9435dd17	555	* @}
EricLew	0:3eee9435dd17	556	*/
EricLew	0:3eee9435dd17	557
EricLew	0:3eee9435dd17	558	/** @defgroup STM32L476G_DISCOVERY_BusOperations_Functions Bus Operations Functions
EricLew	0:3eee9435dd17	559	* @{
EricLew	0:3eee9435dd17	560	*/
EricLew	0:3eee9435dd17	561
EricLew	0:3eee9435dd17	562	/*******************************************************************************
EricLew	0:3eee9435dd17	563	BUS OPERATIONS
EricLew	0:3eee9435dd17	564	*******************************************************************************/
EricLew	0:3eee9435dd17	565	#if defined(HAL_SPI_MODULE_ENABLED)
EricLew	0:3eee9435dd17	566	/***************************** SPI Routines********************************/
EricLew	0:3eee9435dd17	567	/**
EricLew	0:3eee9435dd17	568	* @brief SPIx Bus initialization
EricLew	0:3eee9435dd17	569	* @retval None
EricLew	0:3eee9435dd17	570	*/
EricLew	0:3eee9435dd17	571	static void SPIx_Init(void)
EricLew	0:3eee9435dd17	572	{
EricLew	0:3eee9435dd17	573	if(HAL_SPI_GetState(&SpiHandle) == HAL_SPI_STATE_RESET)
EricLew	0:3eee9435dd17	574	{
EricLew	0:3eee9435dd17	575	/* SPI Config */
EricLew	0:3eee9435dd17	576	SpiHandle.Instance = DISCOVERY_SPIx;
EricLew	0:3eee9435dd17	577	/* SPI baudrate is set to 10 MHz (PCLK1/SPI_BaudRatePrescaler = 80/8 = 10 MHz)
EricLew	0:3eee9435dd17	578	to verify these constraints:
EricLew	0:3eee9435dd17	579	lsm303c SPI interface max baudrate is 10MHz for write/read
EricLew	0:3eee9435dd17	580	PCLK1 max frequency is set to 80 MHz
EricLew	0:3eee9435dd17	581	*/
EricLew	0:3eee9435dd17	582	SpiHandle.Init.BaudRatePrescaler = SPI_BAUDRATEPRESCALER_8;
EricLew	0:3eee9435dd17	583	SpiHandle.Init.Direction = SPI_DIRECTION_2LINES;
EricLew	0:3eee9435dd17	584	SpiHandle.Init.CLKPhase = SPI_PHASE_1EDGE;
EricLew	0:3eee9435dd17	585	SpiHandle.Init.CLKPolarity = SPI_POLARITY_LOW;
EricLew	0:3eee9435dd17	586	SpiHandle.Init.CRCCalculation = SPI_CRCCALCULATION_DISABLE;
EricLew	0:3eee9435dd17	587	SpiHandle.Init.CRCPolynomial = 7;
EricLew	0:3eee9435dd17	588	SpiHandle.Init.DataSize = SPI_DATASIZE_8BIT;
EricLew	0:3eee9435dd17	589	SpiHandle.Init.FirstBit = SPI_FIRSTBIT_MSB;
EricLew	0:3eee9435dd17	590	SpiHandle.Init.NSS = SPI_NSS_SOFT;
EricLew	0:3eee9435dd17	591	SpiHandle.Init.TIMode = SPI_TIMODE_DISABLE;
EricLew	0:3eee9435dd17	592	SpiHandle.Init.Mode = SPI_MODE_MASTER;
EricLew	0:3eee9435dd17	593
EricLew	0:3eee9435dd17	594	SPIx_MspInit(&SpiHandle);
EricLew	0:3eee9435dd17	595	HAL_SPI_Init(&SpiHandle);
EricLew	0:3eee9435dd17	596	}
EricLew	0:3eee9435dd17	597	}
EricLew	0:3eee9435dd17	598
EricLew	0:3eee9435dd17	599	/**
EricLew	0:3eee9435dd17	600	* @brief SPI MSP Init
EricLew	0:3eee9435dd17	601	* @param hspi: SPI handle
EricLew	0:3eee9435dd17	602	* @retval None
EricLew	0:3eee9435dd17	603	*/
EricLew	0:3eee9435dd17	604	static void SPIx_MspInit(SPI_HandleTypeDef *hspi)
EricLew	0:3eee9435dd17	605	{
EricLew	0:3eee9435dd17	606	GPIO_InitTypeDef GPIO_InitStructure;
EricLew	0:3eee9435dd17	607
EricLew	0:3eee9435dd17	608	/* Enable SPIx clock */
EricLew	0:3eee9435dd17	609	DISCOVERY_SPIx_CLOCK_ENABLE();
EricLew	0:3eee9435dd17	610
EricLew	0:3eee9435dd17	611	/* enable SPIx gpio clock */
EricLew	0:3eee9435dd17	612	DISCOVERY_SPIx_GPIO_CLK_ENABLE();
EricLew	0:3eee9435dd17	613
EricLew	0:3eee9435dd17	614	/* configure SPIx SCK, MOSI and MISO */
EricLew	0:3eee9435dd17	615	GPIO_InitStructure.Pin = (DISCOVERY_SPIx_SCK_PIN \| DISCOVERY_SPIx_MOSI_PIN \| DISCOVERY_SPIx_MISO_PIN);
EricLew	0:3eee9435dd17	616	GPIO_InitStructure.Mode = GPIO_MODE_AF_PP;
EricLew	0:3eee9435dd17	617	GPIO_InitStructure.Pull = GPIO_NOPULL; // GPIO_PULLDOWN;
EricLew	0:3eee9435dd17	618	GPIO_InitStructure.Speed = GPIO_SPEED_FREQ_HIGH;
EricLew	0:3eee9435dd17	619	GPIO_InitStructure.Alternate = DISCOVERY_SPIx_AF;
EricLew	0:3eee9435dd17	620	HAL_GPIO_Init(DISCOVERY_SPIx_GPIO_PORT, &GPIO_InitStructure);
EricLew	0:3eee9435dd17	621	}
EricLew	0:3eee9435dd17	622
EricLew	0:3eee9435dd17	623	/**
EricLew	0:3eee9435dd17	624	* @brief SPIx Bus Deinitialization
EricLew	0:3eee9435dd17	625	* @retval None
EricLew	0:3eee9435dd17	626	*/
EricLew	0:3eee9435dd17	627	void SPIx_DeInit(void)
EricLew	0:3eee9435dd17	628	{
EricLew	0:3eee9435dd17	629	if(HAL_SPI_GetState(&SpiHandle) != HAL_SPI_STATE_RESET)
EricLew	0:3eee9435dd17	630	{
EricLew	0:3eee9435dd17	631	/* SPI Deinit */
EricLew	0:3eee9435dd17	632	HAL_SPI_DeInit(&SpiHandle);
EricLew	0:3eee9435dd17	633	SPIx_MspDeInit();
EricLew	0:3eee9435dd17	634	}
EricLew	0:3eee9435dd17	635	}
EricLew	0:3eee9435dd17	636
EricLew	0:3eee9435dd17	637	/**
EricLew	0:3eee9435dd17	638	* @brief SPI MSP DeInit
EricLew	0:3eee9435dd17	639	* @retval None
EricLew	0:3eee9435dd17	640	*/
EricLew	0:3eee9435dd17	641	static void SPIx_MspDeInit(void)
EricLew	0:3eee9435dd17	642	{
EricLew	0:3eee9435dd17	643	/* enable SPIx gpio clock */
EricLew	0:3eee9435dd17	644	DISCOVERY_SPIx_GPIO_CLK_ENABLE();
EricLew	0:3eee9435dd17	645
EricLew	0:3eee9435dd17	646	/* Unconfigure SPIx SCK, MOSI and MISO */
EricLew	0:3eee9435dd17	647	HAL_GPIO_DeInit(DISCOVERY_SPIx_GPIO_PORT, (DISCOVERY_SPIx_SCK_PIN \| DISCOVERY_SPIx_MOSI_PIN \| DISCOVERY_SPIx_MISO_PIN));
EricLew	0:3eee9435dd17	648
EricLew	0:3eee9435dd17	649	DISCOVERY_SPIx_GPIO_FORCE_RESET();
EricLew	0:3eee9435dd17	650	DISCOVERY_SPIx_GPIO_RELEASE_RESET();
EricLew	0:3eee9435dd17	651
EricLew	0:3eee9435dd17	652	/* Disable SPIx clock */
EricLew	0:3eee9435dd17	653	DISCOVERY_SPIx_CLOCK_DISABLE();
EricLew	0:3eee9435dd17	654	}
EricLew	0:3eee9435dd17	655
EricLew	0:3eee9435dd17	656	/**
EricLew	0:3eee9435dd17	657	* @brief Sends a Byte through the SPI interface and return the Byte received
EricLew	0:3eee9435dd17	658	* from the SPI bus.
EricLew	0:3eee9435dd17	659	* @param Byte : Byte send.
EricLew	0:3eee9435dd17	660	* @retval none.
EricLew	0:3eee9435dd17	661	*/
EricLew	0:3eee9435dd17	662	static uint8_t SPIx_WriteRead(uint8_t Byte)
EricLew	0:3eee9435dd17	663	{
EricLew	0:3eee9435dd17	664	uint8_t receivedbyte;
EricLew	0:3eee9435dd17	665
EricLew	0:3eee9435dd17	666	/* Enable the SPI */
EricLew	0:3eee9435dd17	667	__HAL_SPI_ENABLE(&SpiHandle);
EricLew	0:3eee9435dd17	668	/* check TXE flag */
EricLew	0:3eee9435dd17	669	while((SpiHandle.Instance->SR & SPI_FLAG_TXE) != SPI_FLAG_TXE);
EricLew	0:3eee9435dd17	670
EricLew	0:3eee9435dd17	671	/* Write the data */
EricLew	0:3eee9435dd17	672	((__IO uint8_t)&SpiHandle.Instance->DR) = Byte;
EricLew	0:3eee9435dd17	673
EricLew	0:3eee9435dd17	674	while((SpiHandle.Instance->SR & SPI_FLAG_RXNE) != SPI_FLAG_RXNE);
EricLew	0:3eee9435dd17	675	receivedbyte = ((__IO uint8_t)&SpiHandle.Instance->DR);
EricLew	0:3eee9435dd17	676
EricLew	0:3eee9435dd17	677	/* Wait BSY flag */
EricLew	0:3eee9435dd17	678	while((SpiHandle.Instance->SR & SPI_FLAG_FTLVL) != SPI_FTLVL_EMPTY);
EricLew	0:3eee9435dd17	679	while((SpiHandle.Instance->SR & SPI_FLAG_BSY) == SPI_FLAG_BSY);
EricLew	0:3eee9435dd17	680
EricLew	0:3eee9435dd17	681	/* disable the SPI */
EricLew	0:3eee9435dd17	682	__HAL_SPI_DISABLE(&SpiHandle);
EricLew	0:3eee9435dd17	683
EricLew	0:3eee9435dd17	684	return receivedbyte;
EricLew	0:3eee9435dd17	685	}
EricLew	0:3eee9435dd17	686
EricLew	0:3eee9435dd17	687	/**
EricLew	0:3eee9435dd17	688	* @brief Sends a Byte through the SPI interface.
EricLew	0:3eee9435dd17	689	* @param Byte : Byte to send.
EricLew	0:3eee9435dd17	690	* @retval none.
EricLew	0:3eee9435dd17	691	*/
EricLew	0:3eee9435dd17	692	static void SPIx_Write(uint8_t Byte)
EricLew	0:3eee9435dd17	693	{
EricLew	0:3eee9435dd17	694	/* Enable the SPI */
EricLew	0:3eee9435dd17	695	__HAL_SPI_ENABLE(&SpiHandle);
EricLew	0:3eee9435dd17	696	/* check TXE flag */
EricLew	0:3eee9435dd17	697	while((SpiHandle.Instance->SR & SPI_FLAG_TXE) != SPI_FLAG_TXE);
EricLew	0:3eee9435dd17	698
EricLew	0:3eee9435dd17	699	/* Write the data */
EricLew	0:3eee9435dd17	700	((__IO uint8_t)&SpiHandle.Instance->DR) = Byte;
EricLew	0:3eee9435dd17	701
EricLew	0:3eee9435dd17	702	/* Wait BSY flag */
EricLew	0:3eee9435dd17	703	while((SpiHandle.Instance->SR & SPI_FLAG_BSY) == SPI_FLAG_BSY);
EricLew	0:3eee9435dd17	704
EricLew	0:3eee9435dd17	705	/* disable the SPI */
EricLew	0:3eee9435dd17	706	__HAL_SPI_DISABLE(&SpiHandle);
EricLew	0:3eee9435dd17	707	}
EricLew	0:3eee9435dd17	708
EricLew	0:3eee9435dd17	709	#if defined(__ICCARM__)
EricLew	0:3eee9435dd17	710	#pragma optimize=none
EricLew	0:3eee9435dd17	711	#endif
EricLew	0:3eee9435dd17	712	/**
EricLew	0:3eee9435dd17	713	* @brief Receives a Byte from the SPI bus.
EricLew	0:3eee9435dd17	714	* @retval The received byte value
EricLew	0:3eee9435dd17	715	*/
EricLew	0:3eee9435dd17	716	static uint8_t SPIx_Read(void)
EricLew	0:3eee9435dd17	717	{
EricLew	0:3eee9435dd17	718	uint8_t receivedbyte;
EricLew	0:3eee9435dd17	719
EricLew	0:3eee9435dd17	720	__HAL_SPI_ENABLE(&SpiHandle);
EricLew	0:3eee9435dd17	721	__DSB();
EricLew	0:3eee9435dd17	722	__DSB();
EricLew	0:3eee9435dd17	723	__DSB();
EricLew	0:3eee9435dd17	724	__DSB();
EricLew	0:3eee9435dd17	725	__DSB();
EricLew	0:3eee9435dd17	726	__DSB();
EricLew	0:3eee9435dd17	727	__DSB();
EricLew	0:3eee9435dd17	728	__DSB();
EricLew	0:3eee9435dd17	729	__HAL_SPI_DISABLE(&SpiHandle);
EricLew	0:3eee9435dd17	730
EricLew	0:3eee9435dd17	731	while((SpiHandle.Instance->SR & SPI_FLAG_RXNE) != SPI_FLAG_RXNE);
EricLew	0:3eee9435dd17	732	/* read the received data */
EricLew	0:3eee9435dd17	733	receivedbyte = (__IO uint8_t )&SpiHandle.Instance->DR;
EricLew	0:3eee9435dd17	734
EricLew	0:3eee9435dd17	735	/* Wait for the BSY flag reset */
EricLew	0:3eee9435dd17	736	while((SpiHandle.Instance->SR & SPI_FLAG_BSY) == SPI_FLAG_BSY);
EricLew	0:3eee9435dd17	737
EricLew	0:3eee9435dd17	738
EricLew	0:3eee9435dd17	739	return receivedbyte;
EricLew	0:3eee9435dd17	740	}
EricLew	0:3eee9435dd17	741	#endif /* HAL_SPI_MODULE_ENABLED */
EricLew	0:3eee9435dd17	742
EricLew	0:3eee9435dd17	743
EricLew	0:3eee9435dd17	744	#if defined(HAL_I2C_MODULE_ENABLED)
EricLew	0:3eee9435dd17	745	/***************************** I2C Routines********************************/
EricLew	0:3eee9435dd17	746	/**
EricLew	0:3eee9435dd17	747	* @brief Discovery I2C1 Bus initialization
EricLew	0:3eee9435dd17	748	* @retval None
EricLew	0:3eee9435dd17	749	*/
EricLew	0:3eee9435dd17	750	static void I2C1_Init(void)
EricLew	0:3eee9435dd17	751	{
EricLew	0:3eee9435dd17	752	if(HAL_I2C_GetState(&I2c1Handle) == HAL_I2C_STATE_RESET)
EricLew	0:3eee9435dd17	753	{
EricLew	0:3eee9435dd17	754	I2c1Handle.Instance = DISCOVERY_I2C1;
EricLew	0:3eee9435dd17	755	I2c1Handle.Init.Timing = DISCOVERY_I2C1_TIMING;
EricLew	0:3eee9435dd17	756	I2c1Handle.Init.OwnAddress1 = 0;
EricLew	0:3eee9435dd17	757	I2c1Handle.Init.AddressingMode = I2C_ADDRESSINGMODE_7BIT;
EricLew	0:3eee9435dd17	758	I2c1Handle.Init.DualAddressMode = I2C_DUALADDRESS_DISABLE;
EricLew	0:3eee9435dd17	759	I2c1Handle.Init.OwnAddress2 = 0;
EricLew	0:3eee9435dd17	760	I2c1Handle.Init.GeneralCallMode = I2C_GENERALCALL_DISABLE;
EricLew	0:3eee9435dd17	761	I2c1Handle.Init.NoStretchMode = I2C_NOSTRETCH_DISABLE;
EricLew	0:3eee9435dd17	762
EricLew	0:3eee9435dd17	763	/* Init the I2C */
EricLew	0:3eee9435dd17	764	I2C1_MspInit(&I2c1Handle);
EricLew	0:3eee9435dd17	765	HAL_I2C_Init(&I2c1Handle);
EricLew	0:3eee9435dd17	766	}
EricLew	0:3eee9435dd17	767	}
EricLew	0:3eee9435dd17	768
EricLew	0:3eee9435dd17	769	/**
EricLew	0:3eee9435dd17	770	* @brief Discovery I2C1 MSP Initialization
EricLew	0:3eee9435dd17	771	* @param hi2c: I2C handle
EricLew	0:3eee9435dd17	772	* @retval None
EricLew	0:3eee9435dd17	773	*/
EricLew	0:3eee9435dd17	774	static void I2C1_MspInit(I2C_HandleTypeDef *hi2c)
EricLew	0:3eee9435dd17	775	{
EricLew	0:3eee9435dd17	776	GPIO_InitTypeDef GPIO_InitStructure;
EricLew	0:3eee9435dd17	777	RCC_PeriphCLKInitTypeDef RCC_PeriphCLKInitStruct;
EricLew	0:3eee9435dd17	778
EricLew	0:3eee9435dd17	779	/* IOSV bit MUST be set to access GPIO port G[2:15] */
EricLew	0:3eee9435dd17	780	__HAL_RCC_PWR_CLK_ENABLE();
EricLew	0:3eee9435dd17	781	HAL_PWREx_EnableVddIO2();
EricLew	0:3eee9435dd17	782
EricLew	0:3eee9435dd17	783	if (hi2c->Instance == DISCOVERY_I2C1)
EricLew	0:3eee9435dd17	784	{
EricLew	0:3eee9435dd17	785	/##-1- Configure the Discovery I2C clock source. The clock is derived from the SYSCLK #/
EricLew	0:3eee9435dd17	786	RCC_PeriphCLKInitStruct.PeriphClockSelection = RCC_PERIPHCLK_I2C1;
EricLew	0:3eee9435dd17	787	RCC_PeriphCLKInitStruct.I2c1ClockSelection = RCC_I2C1CLKSOURCE_SYSCLK;
EricLew	0:3eee9435dd17	788	HAL_RCCEx_PeriphCLKConfig(&RCC_PeriphCLKInitStruct);
EricLew	0:3eee9435dd17	789
EricLew	0:3eee9435dd17	790	/##-2- Configure the GPIOs ################################################/
EricLew	0:3eee9435dd17	791	/* Enable GPIO clock */
EricLew	0:3eee9435dd17	792	DISCOVERY_I2C1_SDA_GPIO_CLK_ENABLE();
EricLew	0:3eee9435dd17	793	DISCOVERY_I2C1_SCL_GPIO_CLK_ENABLE();
EricLew	0:3eee9435dd17	794
EricLew	0:3eee9435dd17	795	/* Configure I2C Rx/Tx as alternate function */
EricLew	0:3eee9435dd17	796	GPIO_InitStructure.Pin = DISCOVERY_I2C1_SCL_PIN \| DISCOVERY_I2C1_SDA_PIN;
EricLew	0:3eee9435dd17	797	GPIO_InitStructure.Mode = GPIO_MODE_AF_OD;
EricLew	0:3eee9435dd17	798	GPIO_InitStructure.Pull = GPIO_PULLUP;
EricLew	0:3eee9435dd17	799	GPIO_InitStructure.Speed = GPIO_SPEED_FREQ_VERY_HIGH;
EricLew	0:3eee9435dd17	800	GPIO_InitStructure.Alternate = DISCOVERY_I2C1_SCL_SDA_AF;
EricLew	0:3eee9435dd17	801	HAL_GPIO_Init(DISCOVERY_I2C1_SCL_GPIO_PORT, &GPIO_InitStructure);
EricLew	0:3eee9435dd17	802
EricLew	0:3eee9435dd17	803	/##-3- Configure the Discovery I2C1 peripheral #######################################/
EricLew	0:3eee9435dd17	804	/* Enable Discovery I2C1 clock */
EricLew	0:3eee9435dd17	805	DISCOVERY_I2C1_CLK_ENABLE();
EricLew	0:3eee9435dd17	806
EricLew	0:3eee9435dd17	807	/* Force and release the I2C Peripheral Clock Reset */
EricLew	0:3eee9435dd17	808	DISCOVERY_I2C1_FORCE_RESET();
EricLew	0:3eee9435dd17	809	DISCOVERY_I2C1_RELEASE_RESET();
EricLew	0:3eee9435dd17	810
EricLew	0:3eee9435dd17	811	/* Enable and set Discovery I2C1 Interrupt to the highest priority */
EricLew	0:3eee9435dd17	812	HAL_NVIC_SetPriority(DISCOVERY_I2C1_EV_IRQn, 0x00, 0);
EricLew	0:3eee9435dd17	813	HAL_NVIC_EnableIRQ(DISCOVERY_I2C1_EV_IRQn);
EricLew	0:3eee9435dd17	814
EricLew	0:3eee9435dd17	815	/* Enable and set Discovery I2C1 Interrupt to the highest priority */
EricLew	0:3eee9435dd17	816	HAL_NVIC_SetPriority(DISCOVERY_I2C1_ER_IRQn, 0x00, 0);
EricLew	0:3eee9435dd17	817	HAL_NVIC_EnableIRQ(DISCOVERY_I2C1_ER_IRQn);
EricLew	0:3eee9435dd17	818	}
EricLew	0:3eee9435dd17	819	}
EricLew	0:3eee9435dd17	820
EricLew	0:3eee9435dd17	821	/**
EricLew	0:3eee9435dd17	822	* @brief Discovery I2C1 Bus Deitialization
EricLew	0:3eee9435dd17	823	* @retval None
EricLew	0:3eee9435dd17	824	*/
EricLew	0:3eee9435dd17	825	static void I2C1_DeInit(void)
EricLew	0:3eee9435dd17	826	{
EricLew	0:3eee9435dd17	827	if(HAL_I2C_GetState(&I2c1Handle) != HAL_I2C_STATE_RESET)
EricLew	0:3eee9435dd17	828	{
EricLew	0:3eee9435dd17	829	/* Deinit the I2C */
EricLew	0:3eee9435dd17	830	HAL_I2C_DeInit(&I2c1Handle);
EricLew	0:3eee9435dd17	831	I2C1_MspDeInit(&I2c1Handle);
EricLew	0:3eee9435dd17	832	}
EricLew	0:3eee9435dd17	833	}
EricLew	0:3eee9435dd17	834
EricLew	0:3eee9435dd17	835	/**
EricLew	0:3eee9435dd17	836	* @brief Discovery I2C1 MSP Deinitialization
EricLew	0:3eee9435dd17	837	* @param hi2c: I2C handle
EricLew	0:3eee9435dd17	838	* @retval None
EricLew	0:3eee9435dd17	839	*/
EricLew	0:3eee9435dd17	840	static void I2C1_MspDeInit(I2C_HandleTypeDef *hi2c)
EricLew	0:3eee9435dd17	841	{
EricLew	0:3eee9435dd17	842	if(hi2c->Instance == DISCOVERY_I2C1)
EricLew	0:3eee9435dd17	843	{
EricLew	0:3eee9435dd17	844	/##-1- Unconfigure the GPIOs ################################################/
EricLew	0:3eee9435dd17	845	/* Enable GPIO clock */
EricLew	0:3eee9435dd17	846	DISCOVERY_I2C1_SDA_GPIO_CLK_ENABLE();
EricLew	0:3eee9435dd17	847	DISCOVERY_I2C1_SCL_GPIO_CLK_ENABLE();
EricLew	0:3eee9435dd17	848
EricLew	0:3eee9435dd17	849	/* Deinit Rx/Tx pins */
EricLew	0:3eee9435dd17	850	HAL_GPIO_DeInit(DISCOVERY_I2C1_SCL_GPIO_PORT, (DISCOVERY_I2C1_SCL_PIN \| DISCOVERY_I2C1_SDA_PIN));
EricLew	0:3eee9435dd17	851
EricLew	0:3eee9435dd17	852	/##-2- Unconfigure the Discovery I2C1 peripheral ############################/
EricLew	0:3eee9435dd17	853	/* Force & Release the I2C Peripheral Clock Reset */
EricLew	0:3eee9435dd17	854	DISCOVERY_I2C1_FORCE_RESET();
EricLew	0:3eee9435dd17	855	DISCOVERY_I2C1_RELEASE_RESET();
EricLew	0:3eee9435dd17	856
EricLew	0:3eee9435dd17	857	/* Disable Discovery I2C1 clock */
EricLew	0:3eee9435dd17	858	DISCOVERY_I2C1_CLK_DISABLE();
EricLew	0:3eee9435dd17	859
EricLew	0:3eee9435dd17	860	/* Disable Discovery I2C1 interrupts */
EricLew	0:3eee9435dd17	861	HAL_NVIC_DisableIRQ(DISCOVERY_I2C1_EV_IRQn);
EricLew	0:3eee9435dd17	862	HAL_NVIC_DisableIRQ(DISCOVERY_I2C1_ER_IRQn);
EricLew	0:3eee9435dd17	863
EricLew	0:3eee9435dd17	864	__HAL_RCC_PWR_CLK_ENABLE();
EricLew	0:3eee9435dd17	865	HAL_PWREx_DisableVddIO2();
EricLew	0:3eee9435dd17	866	}
EricLew	0:3eee9435dd17	867	}
EricLew	0:3eee9435dd17	868
EricLew	0:3eee9435dd17	869	/**
EricLew	0:3eee9435dd17	870	* @brief Write a value in a register of the device through BUS.
EricLew	0:3eee9435dd17	871	* @param Addr: Device address on BUS Bus.
EricLew	0:3eee9435dd17	872	* @param Reg: The target register address to write
EricLew	0:3eee9435dd17	873	* @param RegSize: The target register size (can be 8BIT or 16BIT)
EricLew	0:3eee9435dd17	874	* @param pBuffer: The target register value to be written
EricLew	0:3eee9435dd17	875	* @param Length: buffer size to be written
EricLew	0:3eee9435dd17	876	* @retval None
EricLew	0:3eee9435dd17	877	*/
EricLew	0:3eee9435dd17	878	static HAL_StatusTypeDef I2C1_WriteBuffer(uint16_t Addr, uint16_t Reg, uint16_t RegSize, uint8_t *pBuffer, uint16_t Length)
EricLew	0:3eee9435dd17	879	{
EricLew	0:3eee9435dd17	880	HAL_StatusTypeDef status = HAL_OK;
EricLew	0:3eee9435dd17	881
EricLew	0:3eee9435dd17	882	status = HAL_I2C_Mem_Write(&I2c1Handle, Addr, (uint16_t)Reg, RegSize, pBuffer, Length, I2c1Timeout);
EricLew	0:3eee9435dd17	883
EricLew	0:3eee9435dd17	884	/* Check the communication status */
EricLew	0:3eee9435dd17	885	if(status != HAL_OK)
EricLew	0:3eee9435dd17	886	{
EricLew	0:3eee9435dd17	887	/* Re-Initiaize the BUS */
EricLew	0:3eee9435dd17	888	I2C1_Error();
EricLew	0:3eee9435dd17	889	}
EricLew	0:3eee9435dd17	890	return status;
EricLew	0:3eee9435dd17	891	}
EricLew	0:3eee9435dd17	892
EricLew	0:3eee9435dd17	893	/**
EricLew	0:3eee9435dd17	894	* @brief Reads multiple data on the BUS.
EricLew	0:3eee9435dd17	895	* @param Addr: I2C Address
EricLew	0:3eee9435dd17	896	* @param Reg: Reg Address
EricLew	0:3eee9435dd17	897	* @param RegSize : The target register size (can be 8BIT or 16BIT)
EricLew	0:3eee9435dd17	898	* @param pBuffer: pointer to read data buffer
EricLew	0:3eee9435dd17	899	* @param Length: length of the data
EricLew	0:3eee9435dd17	900	* @retval 0 if no problems to read multiple data
EricLew	0:3eee9435dd17	901	*/
EricLew	0:3eee9435dd17	902	static HAL_StatusTypeDef I2C1_ReadBuffer(uint16_t Addr, uint16_t Reg, uint16_t RegSize, uint8_t *pBuffer, uint16_t Length)
EricLew	0:3eee9435dd17	903	{
EricLew	0:3eee9435dd17	904	HAL_StatusTypeDef status = HAL_OK;
EricLew	0:3eee9435dd17	905
EricLew	0:3eee9435dd17	906	status = HAL_I2C_Mem_Read(&I2c1Handle, Addr, (uint16_t)Reg, RegSize, pBuffer, Length, I2c1Timeout);
EricLew	0:3eee9435dd17	907
EricLew	0:3eee9435dd17	908	/* Check the communication status */
EricLew	0:3eee9435dd17	909	if(status != HAL_OK)
EricLew	0:3eee9435dd17	910	{
EricLew	0:3eee9435dd17	911	/* Re-Initiaize the BUS */
EricLew	0:3eee9435dd17	912	I2C1_Error();
EricLew	0:3eee9435dd17	913	}
EricLew	0:3eee9435dd17	914	return status;
EricLew	0:3eee9435dd17	915	}
EricLew	0:3eee9435dd17	916
EricLew	0:3eee9435dd17	917	/**
EricLew	0:3eee9435dd17	918	* @brief Discovery I2C1 error treatment function
EricLew	0:3eee9435dd17	919	* @retval None
EricLew	0:3eee9435dd17	920	*/
EricLew	0:3eee9435dd17	921	static void I2C1_Error (void)
EricLew	0:3eee9435dd17	922	{
EricLew	0:3eee9435dd17	923	/* De-initialize the I2C communication BUS */
EricLew	0:3eee9435dd17	924	HAL_I2C_DeInit(&I2c1Handle);
EricLew	0:3eee9435dd17	925
EricLew	0:3eee9435dd17	926	/* Re- Initiaize the I2C communication BUS */
EricLew	0:3eee9435dd17	927	I2C1_Init();
EricLew	0:3eee9435dd17	928	}
EricLew	0:3eee9435dd17	929
EricLew	0:3eee9435dd17	930	/**
EricLew	0:3eee9435dd17	931	* @brief Discovery I2C2 Bus initialization
EricLew	0:3eee9435dd17	932	* @retval None
EricLew	0:3eee9435dd17	933	*/
EricLew	0:3eee9435dd17	934	static void I2C2_Init(void)
EricLew	0:3eee9435dd17	935	{
EricLew	0:3eee9435dd17	936	if(HAL_I2C_GetState(&I2c2Handle) == HAL_I2C_STATE_RESET)
EricLew	0:3eee9435dd17	937	{
EricLew	0:3eee9435dd17	938	I2c2Handle.Instance = DISCOVERY_I2C2;
EricLew	0:3eee9435dd17	939	I2c2Handle.Init.Timing = DISCOVERY_I2C2_TIMING;
EricLew	0:3eee9435dd17	940	I2c2Handle.Init.OwnAddress1 = 0;
EricLew	0:3eee9435dd17	941	I2c2Handle.Init.AddressingMode = I2C_ADDRESSINGMODE_7BIT;
EricLew	0:3eee9435dd17	942	I2c2Handle.Init.DualAddressMode = I2C_DUALADDRESS_DISABLE;
EricLew	0:3eee9435dd17	943	I2c2Handle.Init.OwnAddress2 = 0;
EricLew	0:3eee9435dd17	944	I2c2Handle.Init.GeneralCallMode = I2C_GENERALCALL_DISABLE;
EricLew	0:3eee9435dd17	945	I2c2Handle.Init.NoStretchMode = I2C_NOSTRETCH_DISABLE;
EricLew	0:3eee9435dd17	946
EricLew	0:3eee9435dd17	947	/* Init the I2C */
EricLew	0:3eee9435dd17	948	I2C2_MspInit(&I2c2Handle);
EricLew	0:3eee9435dd17	949	HAL_I2C_Init(&I2c2Handle);
EricLew	0:3eee9435dd17	950	}
EricLew	0:3eee9435dd17	951	}
EricLew	0:3eee9435dd17	952
EricLew	0:3eee9435dd17	953	/**
EricLew	0:3eee9435dd17	954	* @brief Discovery I2C2 MSP Initialization
EricLew	0:3eee9435dd17	955	* @param hi2c: I2C2 handle
EricLew	0:3eee9435dd17	956	* @retval None
EricLew	0:3eee9435dd17	957	*/
EricLew	0:3eee9435dd17	958	static void I2C2_MspInit(I2C_HandleTypeDef *hi2c)
EricLew	0:3eee9435dd17	959	{
EricLew	0:3eee9435dd17	960	GPIO_InitTypeDef GPIO_InitStructure;
EricLew	0:3eee9435dd17	961	RCC_PeriphCLKInitTypeDef RCC_PeriphCLKInitStruct;
EricLew	0:3eee9435dd17	962
EricLew	0:3eee9435dd17	963	if (hi2c->Instance == DISCOVERY_I2C2)
EricLew	0:3eee9435dd17	964	{
EricLew	0:3eee9435dd17	965	/##-1- Configure the Discovery I2C2 clock source. The clock is derived from the SYSCLK #/
EricLew	0:3eee9435dd17	966	RCC_PeriphCLKInitStruct.PeriphClockSelection = RCC_PERIPHCLK_I2C2;
EricLew	0:3eee9435dd17	967	RCC_PeriphCLKInitStruct.I2c2ClockSelection = RCC_I2C2CLKSOURCE_SYSCLK;
EricLew	0:3eee9435dd17	968	HAL_RCCEx_PeriphCLKConfig(&RCC_PeriphCLKInitStruct);
EricLew	0:3eee9435dd17	969
EricLew	0:3eee9435dd17	970	/##-2- Configure the GPIOs ################################################/
EricLew	0:3eee9435dd17	971	/* Enable GPIO clock */
EricLew	0:3eee9435dd17	972	DISCOVERY_I2C2_SDA_GPIO_CLK_ENABLE();
EricLew	0:3eee9435dd17	973	DISCOVERY_I2C2_SCL_GPIO_CLK_ENABLE();
EricLew	0:3eee9435dd17	974
EricLew	0:3eee9435dd17	975	/* Configure I2C Rx/Tx as alternate function */
EricLew	0:3eee9435dd17	976	GPIO_InitStructure.Pin = DISCOVERY_I2C2_SCL_PIN \| DISCOVERY_I2C2_SDA_PIN;
EricLew	0:3eee9435dd17	977	GPIO_InitStructure.Mode = GPIO_MODE_AF_OD;
EricLew	0:3eee9435dd17	978	GPIO_InitStructure.Pull = GPIO_PULLUP;
EricLew	0:3eee9435dd17	979	GPIO_InitStructure.Speed = GPIO_SPEED_FREQ_VERY_HIGH;
EricLew	0:3eee9435dd17	980	GPIO_InitStructure.Alternate = DISCOVERY_I2C2_SCL_SDA_AF;
EricLew	0:3eee9435dd17	981	HAL_GPIO_Init(DISCOVERY_I2C2_SCL_GPIO_PORT, &GPIO_InitStructure);
EricLew	0:3eee9435dd17	982
EricLew	0:3eee9435dd17	983	/##-3- Configure the Discovery I2C2 peripheral #############################/
EricLew	0:3eee9435dd17	984	/* Enable Discovery_I2C2 clock */
EricLew	0:3eee9435dd17	985	DISCOVERY_I2C2_CLK_ENABLE();
EricLew	0:3eee9435dd17	986
EricLew	0:3eee9435dd17	987	/* Force and release the I2C Peripheral Clock Reset */
EricLew	0:3eee9435dd17	988	DISCOVERY_I2C2_FORCE_RESET();
EricLew	0:3eee9435dd17	989	DISCOVERY_I2C2_RELEASE_RESET();
EricLew	0:3eee9435dd17	990
EricLew	0:3eee9435dd17	991	/* Enable and set Discovery I2C2 Interrupt to the highest priority */
EricLew	0:3eee9435dd17	992	HAL_NVIC_SetPriority(DISCOVERY_I2C2_EV_IRQn, 0x00, 0);
EricLew	0:3eee9435dd17	993	HAL_NVIC_EnableIRQ(DISCOVERY_I2C2_EV_IRQn);
EricLew	0:3eee9435dd17	994
EricLew	0:3eee9435dd17	995	/* Enable and set Discovery I2C2 Interrupt to the highest priority */
EricLew	0:3eee9435dd17	996	HAL_NVIC_SetPriority(DISCOVERY_I2C2_ER_IRQn, 0x00, 0);
EricLew	0:3eee9435dd17	997	HAL_NVIC_EnableIRQ(DISCOVERY_I2C2_ER_IRQn);
EricLew	0:3eee9435dd17	998	}
EricLew	0:3eee9435dd17	999	}
EricLew	0:3eee9435dd17	1000
EricLew	0:3eee9435dd17	1001	/**
EricLew	0:3eee9435dd17	1002	* @brief Discovery I2C2 Bus Deinitialization
EricLew	0:3eee9435dd17	1003	* @retval None
EricLew	0:3eee9435dd17	1004	*/
EricLew	0:3eee9435dd17	1005	static void I2C2_DeInit(void)
EricLew	0:3eee9435dd17	1006	{
EricLew	0:3eee9435dd17	1007	if(HAL_I2C_GetState(&I2c2Handle) != HAL_I2C_STATE_RESET)
EricLew	0:3eee9435dd17	1008	{
EricLew	0:3eee9435dd17	1009	/* DeInit the I2C */
EricLew	0:3eee9435dd17	1010	HAL_I2C_DeInit(&I2c2Handle);
EricLew	0:3eee9435dd17	1011	I2C2_MspDeInit(&I2c2Handle);
EricLew	0:3eee9435dd17	1012	}
EricLew	0:3eee9435dd17	1013	}
EricLew	0:3eee9435dd17	1014
EricLew	0:3eee9435dd17	1015	/**
EricLew	0:3eee9435dd17	1016	* @brief Discovery I2C2 MSP DeInitialization
EricLew	0:3eee9435dd17	1017	* @param hi2c: I2C2 handle
EricLew	0:3eee9435dd17	1018	* @retval None
EricLew	0:3eee9435dd17	1019	*/
EricLew	0:3eee9435dd17	1020	static void I2C2_MspDeInit(I2C_HandleTypeDef *hi2c)
EricLew	0:3eee9435dd17	1021	{
EricLew	0:3eee9435dd17	1022	if (hi2c->Instance == DISCOVERY_I2C2)
EricLew	0:3eee9435dd17	1023	{
EricLew	0:3eee9435dd17	1024	/##-1- Unconfigure the GPIOs ################################################/
EricLew	0:3eee9435dd17	1025	/* Enable GPIO clock */
EricLew	0:3eee9435dd17	1026	DISCOVERY_I2C2_SDA_GPIO_CLK_ENABLE();
EricLew	0:3eee9435dd17	1027	DISCOVERY_I2C2_SCL_GPIO_CLK_ENABLE();
EricLew	0:3eee9435dd17	1028
EricLew	0:3eee9435dd17	1029	/* Configure I2C Rx/Tx as alternate function */
EricLew	0:3eee9435dd17	1030	HAL_GPIO_DeInit(DISCOVERY_I2C2_SCL_GPIO_PORT, (DISCOVERY_I2C2_SCL_PIN \| DISCOVERY_I2C2_SDA_PIN));
EricLew	0:3eee9435dd17	1031
EricLew	0:3eee9435dd17	1032	/##-2- Unconfigure the Discovery I2C2 peripheral ############################/
EricLew	0:3eee9435dd17	1033	/* Force and release I2C Peripheral */
EricLew	0:3eee9435dd17	1034	DISCOVERY_I2C2_FORCE_RESET();
EricLew	0:3eee9435dd17	1035	DISCOVERY_I2C2_RELEASE_RESET();
EricLew	0:3eee9435dd17	1036
EricLew	0:3eee9435dd17	1037	/* Disable Discovery I2C2 clock */
EricLew	0:3eee9435dd17	1038	DISCOVERY_I2C2_CLK_DISABLE();
EricLew	0:3eee9435dd17	1039
EricLew	0:3eee9435dd17	1040	/* Disable Discovery I2C2 interrupts */
EricLew	0:3eee9435dd17	1041	HAL_NVIC_DisableIRQ(DISCOVERY_I2C2_EV_IRQn);
EricLew	0:3eee9435dd17	1042	HAL_NVIC_DisableIRQ(DISCOVERY_I2C2_ER_IRQn);
EricLew	0:3eee9435dd17	1043	}
EricLew	0:3eee9435dd17	1044	}
EricLew	0:3eee9435dd17	1045
EricLew	0:3eee9435dd17	1046	/**
EricLew	0:3eee9435dd17	1047	* @brief Write a value in a register of the device through BUS.
EricLew	0:3eee9435dd17	1048	* @param Addr: Device address on BUS Bus.
EricLew	0:3eee9435dd17	1049	* @param Reg: The target register address to write
EricLew	0:3eee9435dd17	1050	* @param RegSize: The target register size (can be 8BIT or 16BIT)
EricLew	0:3eee9435dd17	1051	* @param Value: The target register value to be written
EricLew	0:3eee9435dd17	1052	* @retval None
EricLew	0:3eee9435dd17	1053	*/
EricLew	0:3eee9435dd17	1054	static void I2C2_WriteData(uint16_t Addr, uint16_t Reg, uint16_t RegSize, uint8_t Value)
EricLew	0:3eee9435dd17	1055	{
EricLew	0:3eee9435dd17	1056	HAL_StatusTypeDef status = HAL_OK;
EricLew	0:3eee9435dd17	1057
EricLew	0:3eee9435dd17	1058	status = HAL_I2C_Mem_Write(&I2c2Handle, Addr, (uint16_t)Reg, RegSize, &Value, 1, I2c2Timeout);
EricLew	0:3eee9435dd17	1059
EricLew	0:3eee9435dd17	1060	/* Check the communication status */
EricLew	0:3eee9435dd17	1061	if(status != HAL_OK)
EricLew	0:3eee9435dd17	1062	{
EricLew	0:3eee9435dd17	1063	/* Re-Initiaize the BUS */
EricLew	0:3eee9435dd17	1064	I2C2_Error();
EricLew	0:3eee9435dd17	1065	}
EricLew	0:3eee9435dd17	1066	}
EricLew	0:3eee9435dd17	1067
EricLew	0:3eee9435dd17	1068	/**
EricLew	0:3eee9435dd17	1069	* @brief Write a value in a register of the device through BUS.
EricLew	0:3eee9435dd17	1070	* @param Addr: Device address on BUS Bus.
EricLew	0:3eee9435dd17	1071	* @param Reg: The target register address to write
EricLew	0:3eee9435dd17	1072	* @param RegSize: The target register size (can be 8BIT or 16BIT)
EricLew	0:3eee9435dd17	1073	* @param pBuffer: The target register value to be written
EricLew	0:3eee9435dd17	1074	* @param Length: buffer size to be written
EricLew	0:3eee9435dd17	1075	* @retval None
EricLew	0:3eee9435dd17	1076	*/
EricLew	0:3eee9435dd17	1077	static HAL_StatusTypeDef I2C2_WriteBuffer(uint16_t Addr, uint16_t Reg, uint16_t RegSize, uint8_t *pBuffer, uint16_t Length)
EricLew	0:3eee9435dd17	1078	{
EricLew	0:3eee9435dd17	1079	HAL_StatusTypeDef status = HAL_OK;
EricLew	0:3eee9435dd17	1080
EricLew	0:3eee9435dd17	1081	status = HAL_I2C_Mem_Write(&I2c2Handle, Addr, (uint16_t)Reg, RegSize, pBuffer, Length, I2c2Timeout);
EricLew	0:3eee9435dd17	1082
EricLew	0:3eee9435dd17	1083	/* Check the communication status */
EricLew	0:3eee9435dd17	1084	if(status != HAL_OK)
EricLew	0:3eee9435dd17	1085	{
EricLew	0:3eee9435dd17	1086	/* Re-Initiaize the BUS */
EricLew	0:3eee9435dd17	1087	I2C2_Error();
EricLew	0:3eee9435dd17	1088	}
EricLew	0:3eee9435dd17	1089
EricLew	0:3eee9435dd17	1090	return status;
EricLew	0:3eee9435dd17	1091	}
EricLew	0:3eee9435dd17	1092
EricLew	0:3eee9435dd17	1093	/**
EricLew	0:3eee9435dd17	1094	* @brief Read a register of the device through BUS
EricLew	0:3eee9435dd17	1095	* @param Addr: Device address on BUS
EricLew	0:3eee9435dd17	1096	* @param Reg: The target register address to read
EricLew	0:3eee9435dd17	1097	* @param RegSize: The target register size (can be 8BIT or 16BIT)
EricLew	0:3eee9435dd17	1098	* @retval read register value
EricLew	0:3eee9435dd17	1099	*/
EricLew	0:3eee9435dd17	1100	static uint8_t I2C2_ReadData(uint16_t Addr, uint16_t Reg, uint16_t RegSize)
EricLew	0:3eee9435dd17	1101	{
EricLew	0:3eee9435dd17	1102	HAL_StatusTypeDef status = HAL_OK;
EricLew	0:3eee9435dd17	1103	uint8_t value = 0x0;
EricLew	0:3eee9435dd17	1104
EricLew	0:3eee9435dd17	1105	status = HAL_I2C_Mem_Read(&I2c2Handle, Addr, Reg, RegSize, &value, 1, I2c2Timeout);
EricLew	0:3eee9435dd17	1106
EricLew	0:3eee9435dd17	1107	/* Check the communication status */
EricLew	0:3eee9435dd17	1108	if(status != HAL_OK)
EricLew	0:3eee9435dd17	1109	{
EricLew	0:3eee9435dd17	1110	/* Re-Initiaize the BUS */
EricLew	0:3eee9435dd17	1111	I2C2_Error();
EricLew	0:3eee9435dd17	1112	}
EricLew	0:3eee9435dd17	1113
EricLew	0:3eee9435dd17	1114	return value;
EricLew	0:3eee9435dd17	1115	}
EricLew	0:3eee9435dd17	1116
EricLew	0:3eee9435dd17	1117	/**
EricLew	0:3eee9435dd17	1118	* @brief Reads multiple data on the BUS.
EricLew	0:3eee9435dd17	1119	* @param Addr: I2C Address
EricLew	0:3eee9435dd17	1120	* @param Reg: Reg Address
EricLew	0:3eee9435dd17	1121	* @param RegSize : The target register size (can be 8BIT or 16BIT)
EricLew	0:3eee9435dd17	1122	* @param pBuffer: pointer to read data buffer
EricLew	0:3eee9435dd17	1123	* @param Length: length of the data
EricLew	0:3eee9435dd17	1124	* @retval 0 if no problems to read multiple data
EricLew	0:3eee9435dd17	1125	*/
EricLew	0:3eee9435dd17	1126	static HAL_StatusTypeDef I2C2_ReadBuffer(uint16_t Addr, uint16_t Reg, uint16_t RegSize, uint8_t *pBuffer, uint16_t Length)
EricLew	0:3eee9435dd17	1127	{
EricLew	0:3eee9435dd17	1128	HAL_StatusTypeDef status = HAL_OK;
EricLew	0:3eee9435dd17	1129
EricLew	0:3eee9435dd17	1130	status = HAL_I2C_Mem_Read(&I2c2Handle, Addr, (uint16_t)Reg, RegSize, pBuffer, Length, I2c2Timeout);
EricLew	0:3eee9435dd17	1131
EricLew	0:3eee9435dd17	1132	/* Check the communication status */
EricLew	0:3eee9435dd17	1133	if(status != HAL_OK)
EricLew	0:3eee9435dd17	1134	{
EricLew	0:3eee9435dd17	1135	/* Re-Initiaize the BUS */
EricLew	0:3eee9435dd17	1136	I2C2_Error();
EricLew	0:3eee9435dd17	1137	}
EricLew	0:3eee9435dd17	1138
EricLew	0:3eee9435dd17	1139	return status;
EricLew	0:3eee9435dd17	1140	}
EricLew	0:3eee9435dd17	1141
EricLew	0:3eee9435dd17	1142	/**
EricLew	0:3eee9435dd17	1143	* @brief Discovery I2C2 error treatment function
EricLew	0:3eee9435dd17	1144	* @retval None
EricLew	0:3eee9435dd17	1145	*/
EricLew	0:3eee9435dd17	1146	static void I2C2_Error (void)
EricLew	0:3eee9435dd17	1147	{
EricLew	0:3eee9435dd17	1148	/* De-initialize the I2C communication BUS */
EricLew	0:3eee9435dd17	1149	HAL_I2C_DeInit(&I2c2Handle);
EricLew	0:3eee9435dd17	1150
EricLew	0:3eee9435dd17	1151	/* Re- Initiaize the I2C communication BUS */
EricLew	0:3eee9435dd17	1152	I2C2_Init();
EricLew	0:3eee9435dd17	1153	}
EricLew	0:3eee9435dd17	1154	#endif /HAL_I2C_MODULE_ENABLED/
EricLew	0:3eee9435dd17	1155
EricLew	0:3eee9435dd17	1156
EricLew	0:3eee9435dd17	1157	/*******************************************************************************
EricLew	0:3eee9435dd17	1158	LINK OPERATIONS
EricLew	0:3eee9435dd17	1159	*******************************************************************************/
EricLew	0:3eee9435dd17	1160	#if defined(HAL_SPI_MODULE_ENABLED)
EricLew	0:3eee9435dd17	1161	/********************* LINK ACCELEROMETER *********************************/
EricLew	0:3eee9435dd17	1162	/**
EricLew	0:3eee9435dd17	1163	* @brief Configures COMPASS/ACCELEROMETER io interface.
EricLew	0:3eee9435dd17	1164	* @retval None
EricLew	0:3eee9435dd17	1165	*/
EricLew	0:3eee9435dd17	1166	void ACCELERO_IO_Init(void)
EricLew	0:3eee9435dd17	1167	{
EricLew	0:3eee9435dd17	1168	GPIO_InitTypeDef GPIO_InitStructure;
EricLew	0:3eee9435dd17	1169
EricLew	0:3eee9435dd17	1170	/* Enable CS GPIO clock and Configure GPIO PIN for Gyroscope Chip select */
EricLew	0:3eee9435dd17	1171	ACCELERO_CS_GPIO_CLK_ENABLE();
EricLew	0:3eee9435dd17	1172	GPIO_InitStructure.Pin = ACCELERO_CS_PIN;
EricLew	0:3eee9435dd17	1173	GPIO_InitStructure.Mode = GPIO_MODE_OUTPUT_PP;
EricLew	0:3eee9435dd17	1174	GPIO_InitStructure.Pull = GPIO_NOPULL;
EricLew	0:3eee9435dd17	1175	GPIO_InitStructure.Speed = GPIO_SPEED_FREQ_VERY_HIGH;
EricLew	0:3eee9435dd17	1176	HAL_GPIO_Init(ACCELERO_CS_GPIO_PORT, &GPIO_InitStructure);
EricLew	0:3eee9435dd17	1177
EricLew	0:3eee9435dd17	1178	/* Deselect : Chip Select high */
EricLew	0:3eee9435dd17	1179	ACCELERO_CS_HIGH();
EricLew	0:3eee9435dd17	1180
EricLew	0:3eee9435dd17	1181	SPIx_Init();
EricLew	0:3eee9435dd17	1182	}
EricLew	0:3eee9435dd17	1183
EricLew	0:3eee9435dd17	1184	/**
EricLew	0:3eee9435dd17	1185	* @brief De-Configures COMPASS/ACCELEROMETER io interface.
EricLew	0:3eee9435dd17	1186	* @retval None
EricLew	0:3eee9435dd17	1187	*/
EricLew	0:3eee9435dd17	1188	void ACCELERO_IO_DeInit(void)
EricLew	0:3eee9435dd17	1189	{
EricLew	0:3eee9435dd17	1190	GPIO_InitTypeDef GPIO_InitStructure;
EricLew	0:3eee9435dd17	1191
EricLew	0:3eee9435dd17	1192	/* Enable CS GPIO clock and Configure GPIO PIN for Gyroscope Chip select */
EricLew	0:3eee9435dd17	1193	ACCELERO_CS_GPIO_CLK_ENABLE();
EricLew	0:3eee9435dd17	1194	GPIO_InitStructure.Pin = ACCELERO_CS_PIN;
EricLew	0:3eee9435dd17	1195	GPIO_InitStructure.Mode = GPIO_MODE_OUTPUT_PP;
EricLew	0:3eee9435dd17	1196	GPIO_InitStructure.Pull = GPIO_NOPULL;
EricLew	0:3eee9435dd17	1197	GPIO_InitStructure.Speed = GPIO_SPEED_FREQ_VERY_HIGH;
EricLew	0:3eee9435dd17	1198	HAL_GPIO_Init(ACCELERO_CS_GPIO_PORT, &GPIO_InitStructure);
EricLew	0:3eee9435dd17	1199
EricLew	0:3eee9435dd17	1200	/* Deselect : Chip Select high */
EricLew	0:3eee9435dd17	1201	ACCELERO_CS_HIGH();
EricLew	0:3eee9435dd17	1202
EricLew	0:3eee9435dd17	1203	/* Uninitialize SPI bus */
EricLew	0:3eee9435dd17	1204	SPIx_DeInit();
EricLew	0:3eee9435dd17	1205	}
EricLew	0:3eee9435dd17	1206
EricLew	0:3eee9435dd17	1207	/**
EricLew	0:3eee9435dd17	1208	* @brief Configures COMPASS / ACCELERO click IT
EricLew	0:3eee9435dd17	1209	* @retval None
EricLew	0:3eee9435dd17	1210	*/
EricLew	0:3eee9435dd17	1211	void ACCELERO_IO_ITConfig(void)
EricLew	0:3eee9435dd17	1212	{
EricLew	0:3eee9435dd17	1213	}
EricLew	0:3eee9435dd17	1214
EricLew	0:3eee9435dd17	1215	/**
EricLew	0:3eee9435dd17	1216	* @brief Writes one byte to the COMPASS / ACCELEROMETER.
EricLew	0:3eee9435dd17	1217	* @param RegisterAddr specifies the COMPASS / ACCELEROMETER register to be written.
EricLew	0:3eee9435dd17	1218	* @param Value : Data to be written
EricLew	0:3eee9435dd17	1219	* @retval None
EricLew	0:3eee9435dd17	1220	*/
EricLew	0:3eee9435dd17	1221	void ACCELERO_IO_Write(uint8_t RegisterAddr, uint8_t Value)
EricLew	0:3eee9435dd17	1222	{
EricLew	0:3eee9435dd17	1223	ACCELERO_CS_LOW();
EricLew	0:3eee9435dd17	1224	__SPI_DIRECTION_1LINE_TX(&SpiHandle);
EricLew	0:3eee9435dd17	1225	/* call SPI Read data bus function */
EricLew	0:3eee9435dd17	1226	SPIx_Write(RegisterAddr);
EricLew	0:3eee9435dd17	1227	SPIx_Write(Value);
EricLew	0:3eee9435dd17	1228	ACCELERO_CS_HIGH();
EricLew	0:3eee9435dd17	1229	}
EricLew	0:3eee9435dd17	1230
EricLew	0:3eee9435dd17	1231	/**
EricLew	0:3eee9435dd17	1232	* @brief Reads a block of data from the COMPASS / ACCELEROMETER.
EricLew	0:3eee9435dd17	1233	* @param RegisterAddr : specifies the COMPASS / ACCELEROMETER internal address register to read from
EricLew	0:3eee9435dd17	1234	* @retval ACCELEROMETER register value
EricLew	0:3eee9435dd17	1235	*/
EricLew	0:3eee9435dd17	1236	uint8_t ACCELERO_IO_Read(uint8_t RegisterAddr)
EricLew	0:3eee9435dd17	1237	{
EricLew	0:3eee9435dd17	1238	RegisterAddr = RegisterAddr \| ((uint8_t)0x80);
EricLew	0:3eee9435dd17	1239	ACCELERO_CS_LOW();
EricLew	0:3eee9435dd17	1240	__SPI_DIRECTION_1LINE_TX(&SpiHandle);
EricLew	0:3eee9435dd17	1241	SPIx_Write(RegisterAddr);
EricLew	0:3eee9435dd17	1242	__SPI_DIRECTION_1LINE_RX(&SpiHandle);
EricLew	0:3eee9435dd17	1243	uint8_t val = SPIx_Read();
EricLew	0:3eee9435dd17	1244	ACCELERO_CS_HIGH();
EricLew	0:3eee9435dd17	1245	return val;
EricLew	0:3eee9435dd17	1246	}
EricLew	0:3eee9435dd17	1247
EricLew	0:3eee9435dd17	1248	/******************************* LINK MAGNETO *****************************/
EricLew	0:3eee9435dd17	1249	/**
EricLew	0:3eee9435dd17	1250	* @brief Configures COMPASS/MAGNETO SPI interface.
EricLew	0:3eee9435dd17	1251	* @retval None
EricLew	0:3eee9435dd17	1252	*/
EricLew	0:3eee9435dd17	1253	void MAGNETO_IO_Init(void)
EricLew	0:3eee9435dd17	1254	{
EricLew	0:3eee9435dd17	1255	GPIO_InitTypeDef GPIO_InitStructure;
EricLew	0:3eee9435dd17	1256
EricLew	0:3eee9435dd17	1257	/* Enable CS GPIO clock and Configure GPIO PIN for Gyroscope Chip select */
EricLew	0:3eee9435dd17	1258	MAGNETO_CS_GPIO_CLK_ENABLE();
EricLew	0:3eee9435dd17	1259	GPIO_InitStructure.Pin = MAGNETO_CS_PIN;
EricLew	0:3eee9435dd17	1260	GPIO_InitStructure.Mode = GPIO_MODE_OUTPUT_PP;
EricLew	0:3eee9435dd17	1261	GPIO_InitStructure.Pull = GPIO_NOPULL;
EricLew	0:3eee9435dd17	1262	GPIO_InitStructure.Speed = GPIO_SPEED_FREQ_VERY_HIGH;
EricLew	0:3eee9435dd17	1263	HAL_GPIO_Init(MAGNETO_CS_GPIO_PORT, &GPIO_InitStructure);
EricLew	0:3eee9435dd17	1264
EricLew	0:3eee9435dd17	1265	/* Deselect : Chip Select high */
EricLew	0:3eee9435dd17	1266	MAGNETO_CS_HIGH();
EricLew	0:3eee9435dd17	1267
EricLew	0:3eee9435dd17	1268	SPIx_Init();
EricLew	0:3eee9435dd17	1269	}
EricLew	0:3eee9435dd17	1270
EricLew	0:3eee9435dd17	1271	/**
EricLew	0:3eee9435dd17	1272	* @brief de-Configures COMPASS/MAGNETO SPI interface.
EricLew	0:3eee9435dd17	1273	* @retval None
EricLew	0:3eee9435dd17	1274	*/
EricLew	0:3eee9435dd17	1275	void MAGNETO_IO_DeInit(void)
EricLew	0:3eee9435dd17	1276	{
EricLew	0:3eee9435dd17	1277	GPIO_InitTypeDef GPIO_InitStructure;
EricLew	0:3eee9435dd17	1278
EricLew	0:3eee9435dd17	1279	/* Enable CS GPIO clock and Configure GPIO PIN for Gyroscope Chip select */
EricLew	0:3eee9435dd17	1280	MAGNETO_CS_GPIO_CLK_ENABLE();
EricLew	0:3eee9435dd17	1281	GPIO_InitStructure.Pin = MAGNETO_CS_PIN;
EricLew	0:3eee9435dd17	1282	GPIO_InitStructure.Mode = GPIO_MODE_OUTPUT_PP;
EricLew	0:3eee9435dd17	1283	GPIO_InitStructure.Pull = GPIO_NOPULL;
EricLew	0:3eee9435dd17	1284	GPIO_InitStructure.Speed = GPIO_SPEED_FREQ_VERY_HIGH;
EricLew	0:3eee9435dd17	1285	HAL_GPIO_Init(MAGNETO_CS_GPIO_PORT, &GPIO_InitStructure);
EricLew	0:3eee9435dd17	1286
EricLew	0:3eee9435dd17	1287	/* Deselect : Chip Select high */
EricLew	0:3eee9435dd17	1288	MAGNETO_CS_HIGH();
EricLew	0:3eee9435dd17	1289
EricLew	0:3eee9435dd17	1290	HAL_GPIO_DeInit(MAGNETO_CS_GPIO_PORT, MAGNETO_INT1_PIN\|MAGNETO_DRDY_PIN);
EricLew	0:3eee9435dd17	1291
EricLew	0:3eee9435dd17	1292
EricLew	0:3eee9435dd17	1293	/* Uninitialize SPI bus */
EricLew	0:3eee9435dd17	1294	SPIx_DeInit();
EricLew	0:3eee9435dd17	1295	}
EricLew	0:3eee9435dd17	1296
EricLew	0:3eee9435dd17	1297	/**
EricLew	0:3eee9435dd17	1298	* @brief Writes one byte to the COMPASS/MAGNETO.
EricLew	0:3eee9435dd17	1299	* @param RegisterAddr specifies the COMPASS/MAGNETO register to be written.
EricLew	0:3eee9435dd17	1300	* @param Value : Data to be written
EricLew	0:3eee9435dd17	1301	* @retval None
EricLew	0:3eee9435dd17	1302	*/
EricLew	0:3eee9435dd17	1303	void MAGNETO_IO_Write(uint8_t RegisterAddr, uint8_t Value)
EricLew	0:3eee9435dd17	1304	{
EricLew	0:3eee9435dd17	1305	MAGNETO_CS_LOW();
EricLew	0:3eee9435dd17	1306	__SPI_DIRECTION_1LINE_TX(&SpiHandle);
EricLew	0:3eee9435dd17	1307	/* call SPI Read data bus function */
EricLew	0:3eee9435dd17	1308	SPIx_Write(RegisterAddr);
EricLew	0:3eee9435dd17	1309	SPIx_Write(Value);
EricLew	0:3eee9435dd17	1310	MAGNETO_CS_HIGH();
EricLew	0:3eee9435dd17	1311	}
EricLew	0:3eee9435dd17	1312
EricLew	0:3eee9435dd17	1313	/**
EricLew	0:3eee9435dd17	1314	* @brief Reads a block of data from the COMPASS/MAGNETO.
EricLew	0:3eee9435dd17	1315	* @param RegisterAddr : specifies the COMPASS/MAGNETO internal address register to read from
EricLew	0:3eee9435dd17	1316	* @retval ACCELEROMETER register value
EricLew	0:3eee9435dd17	1317	*/
EricLew	0:3eee9435dd17	1318	uint8_t MAGNETO_IO_Read(uint8_t RegisterAddr)
EricLew	0:3eee9435dd17	1319	{
EricLew	0:3eee9435dd17	1320	MAGNETO_CS_LOW();
EricLew	0:3eee9435dd17	1321	__SPI_DIRECTION_1LINE_TX(&SpiHandle);
EricLew	0:3eee9435dd17	1322	SPIx_Write(RegisterAddr \| 0x80);
EricLew	0:3eee9435dd17	1323	__SPI_DIRECTION_1LINE_RX(&SpiHandle);
EricLew	0:3eee9435dd17	1324	uint8_t val = SPIx_Read();
EricLew	0:3eee9435dd17	1325	MAGNETO_CS_HIGH();
EricLew	0:3eee9435dd17	1326	return val;
EricLew	0:3eee9435dd17	1327	}
EricLew	0:3eee9435dd17	1328
EricLew	0:3eee9435dd17	1329	/******************************* LINK GYRO ***************************/
EricLew	0:3eee9435dd17	1330	/**
EricLew	0:3eee9435dd17	1331	* @brief Configures the GYRO SPI interface.
EricLew	0:3eee9435dd17	1332	* @retval None
EricLew	0:3eee9435dd17	1333	*/
EricLew	0:3eee9435dd17	1334	void GYRO_IO_Init(void)
EricLew	0:3eee9435dd17	1335	{
EricLew	0:3eee9435dd17	1336	GPIO_InitTypeDef GPIO_InitStructure;
EricLew	0:3eee9435dd17	1337
EricLew	0:3eee9435dd17	1338
EricLew	0:3eee9435dd17	1339	/* Case GYRO not used in the demonstration software except being set in
EricLew	0:3eee9435dd17	1340	low power mode.
EricLew	0:3eee9435dd17	1341	To avoid access conflicts with accelerometer and magnetometer,
EricLew	0:3eee9435dd17	1342	initialize XL_CS and MAG_CS pins then deselect these I/O */
EricLew	0:3eee9435dd17	1343	ACCELERO_CS_GPIO_CLK_ENABLE();
EricLew	0:3eee9435dd17	1344	GPIO_InitStructure.Pin = ACCELERO_CS_PIN;
EricLew	0:3eee9435dd17	1345	GPIO_InitStructure.Mode = GPIO_MODE_OUTPUT_PP;
EricLew	0:3eee9435dd17	1346	GPIO_InitStructure.Pull = GPIO_NOPULL;
EricLew	0:3eee9435dd17	1347	GPIO_InitStructure.Speed = GPIO_SPEED_FREQ_VERY_HIGH;
EricLew	0:3eee9435dd17	1348	HAL_GPIO_Init(ACCELERO_CS_GPIO_PORT, &GPIO_InitStructure);
EricLew	0:3eee9435dd17	1349
EricLew	0:3eee9435dd17	1350	/* Deselect : Chip Select high */
EricLew	0:3eee9435dd17	1351	ACCELERO_CS_HIGH();
EricLew	0:3eee9435dd17	1352
EricLew	0:3eee9435dd17	1353	/* Enable CS GPIO clock and Configure GPIO PIN for Gyroscope Chip select */
EricLew	0:3eee9435dd17	1354	MAGNETO_CS_GPIO_CLK_ENABLE();
EricLew	0:3eee9435dd17	1355	GPIO_InitStructure.Pin = MAGNETO_CS_PIN;
EricLew	0:3eee9435dd17	1356	GPIO_InitStructure.Mode = GPIO_MODE_OUTPUT_PP;
EricLew	0:3eee9435dd17	1357	GPIO_InitStructure.Pull = GPIO_NOPULL;
EricLew	0:3eee9435dd17	1358	GPIO_InitStructure.Speed = GPIO_SPEED_FREQ_VERY_HIGH;
EricLew	0:3eee9435dd17	1359	HAL_GPIO_Init(MAGNETO_CS_GPIO_PORT, &GPIO_InitStructure);
EricLew	0:3eee9435dd17	1360
EricLew	0:3eee9435dd17	1361	/* Deselect : Chip Select high */
EricLew	0:3eee9435dd17	1362	MAGNETO_CS_HIGH();
EricLew	0:3eee9435dd17	1363
EricLew	0:3eee9435dd17	1364
EricLew	0:3eee9435dd17	1365	/* Configure the Gyroscope Control pins ---------------------------------*/
EricLew	0:3eee9435dd17	1366	/* Enable CS GPIO clock and Configure GPIO PIN for Gyroscope Chip select */
EricLew	0:3eee9435dd17	1367	GYRO_CS_GPIO_CLK_ENABLE();
EricLew	0:3eee9435dd17	1368	GPIO_InitStructure.Pin = GYRO_CS_PIN;
EricLew	0:3eee9435dd17	1369	GPIO_InitStructure.Mode = GPIO_MODE_OUTPUT_PP;
EricLew	0:3eee9435dd17	1370	GPIO_InitStructure.Pull = GPIO_NOPULL;
EricLew	0:3eee9435dd17	1371	GPIO_InitStructure.Speed = GPIO_SPEED_FREQ_VERY_HIGH;
EricLew	0:3eee9435dd17	1372	HAL_GPIO_Init(GYRO_CS_GPIO_PORT, &GPIO_InitStructure);
EricLew	0:3eee9435dd17	1373
EricLew	0:3eee9435dd17	1374	/* Deselect : Chip Select high */
EricLew	0:3eee9435dd17	1375	GYRO_CS_HIGH();
EricLew	0:3eee9435dd17	1376
EricLew	0:3eee9435dd17	1377	/* Enable INT1, INT2 GPIO clock and Configure GPIO PINs to detect Interrupts */
EricLew	0:3eee9435dd17	1378	GYRO_INT1_GPIO_CLK_ENABLE();
EricLew	0:3eee9435dd17	1379	GPIO_InitStructure.Pin = GYRO_INT1_PIN;
EricLew	0:3eee9435dd17	1380	GPIO_InitStructure.Mode = GPIO_MODE_INPUT;
EricLew	0:3eee9435dd17	1381	GPIO_InitStructure.Speed = GPIO_SPEED_FREQ_VERY_HIGH;
EricLew	0:3eee9435dd17	1382	GPIO_InitStructure.Pull= GPIO_NOPULL;
EricLew	0:3eee9435dd17	1383	HAL_GPIO_Init(GYRO_INT1_GPIO_PORT, &GPIO_InitStructure);
EricLew	0:3eee9435dd17	1384
EricLew	0:3eee9435dd17	1385	GYRO_INT2_GPIO_CLK_ENABLE();
EricLew	0:3eee9435dd17	1386	GPIO_InitStructure.Pin = GYRO_INT2_PIN;
EricLew	0:3eee9435dd17	1387	HAL_GPIO_Init(GYRO_INT2_GPIO_PORT, &GPIO_InitStructure);
EricLew	0:3eee9435dd17	1388
EricLew	0:3eee9435dd17	1389	SPIx_Init();
EricLew	0:3eee9435dd17	1390
EricLew	0:3eee9435dd17	1391	}
EricLew	0:3eee9435dd17	1392
EricLew	0:3eee9435dd17	1393
EricLew	0:3eee9435dd17	1394	/**
EricLew	0:3eee9435dd17	1395	* @brief de-Configures GYRO SPI interface.
EricLew	0:3eee9435dd17	1396	* @retval None
EricLew	0:3eee9435dd17	1397	*/
EricLew	0:3eee9435dd17	1398	void GYRO_IO_DeInit(void)
EricLew	0:3eee9435dd17	1399	{
EricLew	0:3eee9435dd17	1400	GPIO_InitTypeDef GPIO_InitStructure;
EricLew	0:3eee9435dd17	1401	/* Enable CS GPIO clock */
EricLew	0:3eee9435dd17	1402	GYRO_CS_GPIO_CLK_ENABLE();
EricLew	0:3eee9435dd17	1403
EricLew	0:3eee9435dd17	1404	GPIO_InitStructure.Pin = GYRO_CS_PIN;
EricLew	0:3eee9435dd17	1405	GPIO_InitStructure.Mode = GPIO_MODE_OUTPUT_PP;
EricLew	0:3eee9435dd17	1406	GPIO_InitStructure.Pull = GPIO_NOPULL;
EricLew	0:3eee9435dd17	1407	GPIO_InitStructure.Speed = GPIO_SPEED_FREQ_VERY_HIGH;
EricLew	0:3eee9435dd17	1408	HAL_GPIO_Init(GYRO_CS_GPIO_PORT, &GPIO_InitStructure);
EricLew	0:3eee9435dd17	1409
EricLew	0:3eee9435dd17	1410	/* Deselect : Chip Select high */
EricLew	0:3eee9435dd17	1411	GYRO_CS_HIGH();
EricLew	0:3eee9435dd17	1412
EricLew	0:3eee9435dd17	1413	GYRO_INT1_GPIO_CLK_ENABLE();
EricLew	0:3eee9435dd17	1414	GYRO_INT2_GPIO_CLK_ENABLE();
EricLew	0:3eee9435dd17	1415
EricLew	0:3eee9435dd17	1416	/* Uninitialize the INT1/INT2 Pins */
EricLew	0:3eee9435dd17	1417	HAL_GPIO_DeInit(GYRO_INT1_GPIO_PORT, GYRO_INT1_PIN);
EricLew	0:3eee9435dd17	1418	HAL_GPIO_DeInit(GYRO_INT2_GPIO_PORT, GYRO_INT2_PIN);
EricLew	0:3eee9435dd17	1419
EricLew	0:3eee9435dd17	1420	/* Uninitialize SPI bus */
EricLew	0:3eee9435dd17	1421	SPIx_DeInit();
EricLew	0:3eee9435dd17	1422	}
EricLew	0:3eee9435dd17	1423
EricLew	0:3eee9435dd17	1424	/**
EricLew	0:3eee9435dd17	1425	* @brief Writes one byte to the GYRO.
EricLew	0:3eee9435dd17	1426	* @param pBuffer : pointer to the buffer containing the data to be written to the GYRO.
EricLew	0:3eee9435dd17	1427	* @param WriteAddr : GYRO's internal address to write to.
EricLew	0:3eee9435dd17	1428	* @param NumByteToWrite: Number of bytes to write.
EricLew	0:3eee9435dd17	1429	* @retval None
EricLew	0:3eee9435dd17	1430	*/
EricLew	0:3eee9435dd17	1431	void GYRO_IO_Write(uint8_t* pBuffer, uint8_t WriteAddr, uint16_t NumByteToWrite)
EricLew	0:3eee9435dd17	1432	{
EricLew	0:3eee9435dd17	1433	/* Configure the MS bit:
EricLew	0:3eee9435dd17	1434	- When 0, the address will remain unchanged in multiple read/write commands.
EricLew	0:3eee9435dd17	1435	- When 1, the address will be auto incremented in multiple read/write commands.
EricLew	0:3eee9435dd17	1436	*/
EricLew	0:3eee9435dd17	1437	if(NumByteToWrite > 0x01)
EricLew	0:3eee9435dd17	1438	{
EricLew	0:3eee9435dd17	1439	WriteAddr \|= (uint8_t)MULTIPLEBYTE_CMD;
EricLew	0:3eee9435dd17	1440	}
EricLew	0:3eee9435dd17	1441	/* Set chip select Low at the start of the transmission */
EricLew	0:3eee9435dd17	1442	GYRO_CS_LOW();
EricLew	0:3eee9435dd17	1443	__SPI_DIRECTION_2LINES(&SpiHandle);
EricLew	0:3eee9435dd17	1444
EricLew	0:3eee9435dd17	1445	/* Send the Address of the indexed register */
EricLew	0:3eee9435dd17	1446	SPIx_WriteRead(WriteAddr);
EricLew	0:3eee9435dd17	1447
EricLew	0:3eee9435dd17	1448	/* Send the data that will be written into the device (MSB First) */
EricLew	0:3eee9435dd17	1449	while(NumByteToWrite >= 0x01)
EricLew	0:3eee9435dd17	1450	{
EricLew	0:3eee9435dd17	1451	SPIx_WriteRead(*pBuffer);
EricLew	0:3eee9435dd17	1452	NumByteToWrite--;
EricLew	0:3eee9435dd17	1453	pBuffer++;
EricLew	0:3eee9435dd17	1454	}
EricLew	0:3eee9435dd17	1455
EricLew	0:3eee9435dd17	1456	/* Set chip select High at the end of the transmission */
EricLew	0:3eee9435dd17	1457	GYRO_CS_HIGH();
EricLew	0:3eee9435dd17	1458	}
EricLew	0:3eee9435dd17	1459
EricLew	0:3eee9435dd17	1460	/**
EricLew	0:3eee9435dd17	1461	* @brief Reads a block of data from the GYROSCOPE.
EricLew	0:3eee9435dd17	1462	* @param pBuffer : pointer to the buffer that receives the data read from the GYROSCOPE.
EricLew	0:3eee9435dd17	1463	* @param ReadAddr : GYROSCOPE's internal address to read from.
EricLew	0:3eee9435dd17	1464	* @param NumByteToRead : number of bytes to read from the GYROSCOPE.
EricLew	0:3eee9435dd17	1465	* @retval None
EricLew	0:3eee9435dd17	1466	*/
EricLew	0:3eee9435dd17	1467	void GYRO_IO_Read(uint8_t* pBuffer, uint8_t ReadAddr, uint16_t NumByteToRead)
EricLew	0:3eee9435dd17	1468	{
EricLew	0:3eee9435dd17	1469	if(NumByteToRead > 0x01)
EricLew	0:3eee9435dd17	1470	{
EricLew	0:3eee9435dd17	1471	ReadAddr \|= (uint8_t)(READWRITE_CMD \| MULTIPLEBYTE_CMD);
EricLew	0:3eee9435dd17	1472	}
EricLew	0:3eee9435dd17	1473	else
EricLew	0:3eee9435dd17	1474	{
EricLew	0:3eee9435dd17	1475	ReadAddr \|= (uint8_t)READWRITE_CMD;
EricLew	0:3eee9435dd17	1476	}
EricLew	0:3eee9435dd17	1477	/* Set chip select Low at the start of the transmission */
EricLew	0:3eee9435dd17	1478	GYRO_CS_LOW();
EricLew	0:3eee9435dd17	1479	__SPI_DIRECTION_2LINES(&SpiHandle);
EricLew	0:3eee9435dd17	1480	/* Send the Address of the indexed register */
EricLew	0:3eee9435dd17	1481	SPIx_WriteRead(ReadAddr);
EricLew	0:3eee9435dd17	1482
EricLew	0:3eee9435dd17	1483	/* Receive the data that will be read from the device (MSB First) */
EricLew	0:3eee9435dd17	1484	while(NumByteToRead > 0x00)
EricLew	0:3eee9435dd17	1485	{
EricLew	0:3eee9435dd17	1486	/* Send dummy byte (0x00) to generate the SPI clock to GYROSCOPE (Slave device) */
EricLew	0:3eee9435dd17	1487	*pBuffer = SPIx_WriteRead(0x00);
EricLew	0:3eee9435dd17	1488	NumByteToRead--;
EricLew	0:3eee9435dd17	1489	pBuffer++;
EricLew	0:3eee9435dd17	1490	}
EricLew	0:3eee9435dd17	1491
EricLew	0:3eee9435dd17	1492	/* Set chip select High at the end of the transmission */
EricLew	0:3eee9435dd17	1493	GYRO_CS_HIGH();
EricLew	0:3eee9435dd17	1494	}
EricLew	0:3eee9435dd17	1495	#endif /* HAL_SPI_MODULE_ENABLED */
EricLew	0:3eee9435dd17	1496
EricLew	0:3eee9435dd17	1497	#if defined(HAL_I2C_MODULE_ENABLED)
EricLew	0:3eee9435dd17	1498	/******************************* LINK MFX *********************************/
EricLew	0:3eee9435dd17	1499	/**
EricLew	0:3eee9435dd17	1500	* @brief Initializes MFX low level.
EricLew	0:3eee9435dd17	1501	* @retval None
EricLew	0:3eee9435dd17	1502	*/
EricLew	0:3eee9435dd17	1503	void MFX_IO_Init(void)
EricLew	0:3eee9435dd17	1504	{
EricLew	0:3eee9435dd17	1505	/* I2C2 init */
EricLew	0:3eee9435dd17	1506	I2C2_Init();
EricLew	0:3eee9435dd17	1507	}
EricLew	0:3eee9435dd17	1508	/**
EricLew	0:3eee9435dd17	1509	* @brief Deinitializes MFX low level.
EricLew	0:3eee9435dd17	1510	* @retval None
EricLew	0:3eee9435dd17	1511	*/
EricLew	0:3eee9435dd17	1512	void MFX_IO_DeInit(void)
EricLew	0:3eee9435dd17	1513	{
EricLew	0:3eee9435dd17	1514	GPIO_InitTypeDef GPIO_InitStruct;
EricLew	0:3eee9435dd17	1515
EricLew	0:3eee9435dd17	1516	/* Enable wakeup gpio clock */
EricLew	0:3eee9435dd17	1517	IDD_WAKEUP_GPIO_CLK_ENABLE();
EricLew	0:3eee9435dd17	1518
EricLew	0:3eee9435dd17	1519	/* MFX wakeup pin configuration */
EricLew	0:3eee9435dd17	1520	GPIO_InitStruct.Pin = IDD_WAKEUP_PIN;
EricLew	0:3eee9435dd17	1521	GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;
EricLew	0:3eee9435dd17	1522	GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW;
EricLew	0:3eee9435dd17	1523	GPIO_InitStruct.Pull = GPIO_PULLDOWN;
EricLew	0:3eee9435dd17	1524	HAL_GPIO_Init(IDD_WAKEUP_GPIO_PORT, &GPIO_InitStruct);
EricLew	0:3eee9435dd17	1525
EricLew	0:3eee9435dd17	1526	/* DeInit interrupt pin : disable IRQ before to avoid spurious interrupt */
EricLew	0:3eee9435dd17	1527	HAL_NVIC_DisableIRQ((IRQn_Type)(IDD_INT_EXTI_IRQn));
EricLew	0:3eee9435dd17	1528	IDD_INT_GPIO_CLK_ENABLE();
EricLew	0:3eee9435dd17	1529	HAL_GPIO_DeInit(IDD_INT_GPIO_PORT, IDD_INT_PIN);
EricLew	0:3eee9435dd17	1530
EricLew	0:3eee9435dd17	1531	/* I2C2 Deinit */
EricLew	0:3eee9435dd17	1532	I2C2_DeInit();
EricLew	0:3eee9435dd17	1533	}
EricLew	0:3eee9435dd17	1534
EricLew	0:3eee9435dd17	1535	/**
EricLew	0:3eee9435dd17	1536	* @brief Configures MFX low level interrupt.
EricLew	0:3eee9435dd17	1537	* @retval None
EricLew	0:3eee9435dd17	1538	*/
EricLew	0:3eee9435dd17	1539	void MFX_IO_ITConfig(void)
EricLew	0:3eee9435dd17	1540	{
EricLew	0:3eee9435dd17	1541	GPIO_InitTypeDef GPIO_InitStruct;
EricLew	0:3eee9435dd17	1542
EricLew	0:3eee9435dd17	1543	/* Enable the GPIO clock */
EricLew	0:3eee9435dd17	1544	IDD_INT_GPIO_CLK_ENABLE();
EricLew	0:3eee9435dd17	1545
EricLew	0:3eee9435dd17	1546	/* MFX_OUT_IRQ (normally used for EXTI_WKUP) */
EricLew	0:3eee9435dd17	1547	GPIO_InitStruct.Pin = IDD_INT_PIN;
EricLew	0:3eee9435dd17	1548	GPIO_InitStruct.Pull = GPIO_PULLDOWN;
EricLew	0:3eee9435dd17	1549	GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_VERY_HIGH;
EricLew	0:3eee9435dd17	1550	GPIO_InitStruct.Mode = GPIO_MODE_IT_RISING;
EricLew	0:3eee9435dd17	1551	HAL_GPIO_Init(IDD_INT_GPIO_PORT, &GPIO_InitStruct);
EricLew	0:3eee9435dd17	1552
EricLew	0:3eee9435dd17	1553	/* Enable and set GPIO EXTI Interrupt to the lowest priority */
EricLew	0:3eee9435dd17	1554	HAL_NVIC_SetPriority((IRQn_Type)(IDD_INT_EXTI_IRQn), 0x0F, 0x0F);
EricLew	0:3eee9435dd17	1555	HAL_NVIC_EnableIRQ((IRQn_Type)(IDD_INT_EXTI_IRQn));
EricLew	0:3eee9435dd17	1556	}
EricLew	0:3eee9435dd17	1557
EricLew	0:3eee9435dd17	1558	/**
EricLew	0:3eee9435dd17	1559	* @brief Configures MFX wke up pin.
EricLew	0:3eee9435dd17	1560	* @retval None
EricLew	0:3eee9435dd17	1561	*/
EricLew	0:3eee9435dd17	1562	void MFX_IO_EnableWakeupPin(void)
EricLew	0:3eee9435dd17	1563	{
EricLew	0:3eee9435dd17	1564	GPIO_InitTypeDef GPIO_InitStruct;
EricLew	0:3eee9435dd17	1565
EricLew	0:3eee9435dd17	1566	/* Enable wakeup gpio clock */
EricLew	0:3eee9435dd17	1567	IDD_WAKEUP_GPIO_CLK_ENABLE();
EricLew	0:3eee9435dd17	1568
EricLew	0:3eee9435dd17	1569	/* MFX wakeup pin configuration */
EricLew	0:3eee9435dd17	1570	GPIO_InitStruct.Pin = IDD_WAKEUP_PIN;
EricLew	0:3eee9435dd17	1571	GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;
EricLew	0:3eee9435dd17	1572	GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_HIGH;
EricLew	0:3eee9435dd17	1573	GPIO_InitStruct.Pull = GPIO_NOPULL;
EricLew	0:3eee9435dd17	1574	HAL_GPIO_Init(IDD_WAKEUP_GPIO_PORT, &GPIO_InitStruct);
EricLew	0:3eee9435dd17	1575	}
EricLew	0:3eee9435dd17	1576
EricLew	0:3eee9435dd17	1577	/**
EricLew	0:3eee9435dd17	1578	* @brief Wakeup MFX.
EricLew	0:3eee9435dd17	1579	* @retval None
EricLew	0:3eee9435dd17	1580	*/
EricLew	0:3eee9435dd17	1581	void MFX_IO_Wakeup(void)
EricLew	0:3eee9435dd17	1582	{
EricLew	0:3eee9435dd17	1583	/* Set Wakeup pin to high to wakeup Idd measurement component from standby mode */
EricLew	0:3eee9435dd17	1584	HAL_GPIO_WritePin(IDD_WAKEUP_GPIO_PORT, IDD_WAKEUP_PIN, GPIO_PIN_SET);
EricLew	0:3eee9435dd17	1585
EricLew	0:3eee9435dd17	1586	/* Wait */
EricLew	0:3eee9435dd17	1587	HAL_Delay(1);
EricLew	0:3eee9435dd17	1588
EricLew	0:3eee9435dd17	1589	/* Set gpio pin basck to low */
EricLew	0:3eee9435dd17	1590	HAL_GPIO_WritePin(IDD_WAKEUP_GPIO_PORT, IDD_WAKEUP_PIN, GPIO_PIN_RESET);
EricLew	0:3eee9435dd17	1591	}
EricLew	0:3eee9435dd17	1592
EricLew	0:3eee9435dd17	1593	/**
EricLew	0:3eee9435dd17	1594	* @brief MFX writes single data.
EricLew	0:3eee9435dd17	1595	* @param Addr: I2C address
EricLew	0:3eee9435dd17	1596	* @param Reg: Register address
EricLew	0:3eee9435dd17	1597	* @param Value: Data to be written
EricLew	0:3eee9435dd17	1598	* @retval None
EricLew	0:3eee9435dd17	1599	*/
EricLew	0:3eee9435dd17	1600	void MFX_IO_Write(uint16_t Addr, uint8_t Reg, uint8_t Value)
EricLew	0:3eee9435dd17	1601	{
EricLew	0:3eee9435dd17	1602	I2C2_WriteData(Addr, Reg, I2C_MEMADD_SIZE_8BIT, Value);
EricLew	0:3eee9435dd17	1603	}
EricLew	0:3eee9435dd17	1604
EricLew	0:3eee9435dd17	1605	/**
EricLew	0:3eee9435dd17	1606	* @brief MFX reads single data.
EricLew	0:3eee9435dd17	1607	* @param Addr: I2C address
EricLew	0:3eee9435dd17	1608	* @param Reg: Register address
EricLew	0:3eee9435dd17	1609	* @retval Read data
EricLew	0:3eee9435dd17	1610	*/
EricLew	0:3eee9435dd17	1611	uint8_t MFX_IO_Read(uint16_t Addr, uint8_t Reg)
EricLew	0:3eee9435dd17	1612	{
EricLew	0:3eee9435dd17	1613	return I2C2_ReadData(Addr, Reg, I2C_MEMADD_SIZE_8BIT);
EricLew	0:3eee9435dd17	1614	}
EricLew	0:3eee9435dd17	1615
EricLew	0:3eee9435dd17	1616	/**
EricLew	0:3eee9435dd17	1617	* @brief MFX reads multiple data.
EricLew	0:3eee9435dd17	1618	* @param Addr: I2C address
EricLew	0:3eee9435dd17	1619	* @param Reg: Register address
EricLew	0:3eee9435dd17	1620	* @param Buffer: Pointer to data buffer
EricLew	0:3eee9435dd17	1621	* @param Length: Length of the data
EricLew	0:3eee9435dd17	1622	* @retval Number of read data
EricLew	0:3eee9435dd17	1623	*/
EricLew	0:3eee9435dd17	1624	uint16_t MFX_IO_ReadMultiple(uint16_t Addr, uint8_t Reg, uint8_t *Buffer, uint16_t Length)
EricLew	0:3eee9435dd17	1625	{
EricLew	0:3eee9435dd17	1626	return I2C2_ReadBuffer(Addr, (uint16_t)Reg, I2C_MEMADD_SIZE_8BIT, Buffer, Length);
EricLew	0:3eee9435dd17	1627	}
EricLew	0:3eee9435dd17	1628
EricLew	0:3eee9435dd17	1629	/**
EricLew	0:3eee9435dd17	1630	* @brief MFX writes multiple data.
EricLew	0:3eee9435dd17	1631	* @param Addr: I2C address
EricLew	0:3eee9435dd17	1632	* @param Reg: Register address
EricLew	0:3eee9435dd17	1633	* @param Buffer: Pointer to data buffer
EricLew	0:3eee9435dd17	1634	* @param Length: Length of the data
EricLew	0:3eee9435dd17	1635	* @retval None
EricLew	0:3eee9435dd17	1636	*/
EricLew	0:3eee9435dd17	1637	void MFX_IO_WriteMultiple(uint16_t Addr, uint8_t Reg, uint8_t *Buffer, uint16_t Length)
EricLew	0:3eee9435dd17	1638	{
EricLew	0:3eee9435dd17	1639	I2C2_WriteBuffer(Addr, (uint16_t)Reg, I2C_MEMADD_SIZE_8BIT, Buffer, Length);
EricLew	0:3eee9435dd17	1640	}
EricLew	0:3eee9435dd17	1641
EricLew	0:3eee9435dd17	1642	/**
EricLew	0:3eee9435dd17	1643	* @brief MFX delay
EricLew	0:3eee9435dd17	1644	* @param Delay: Delay in ms
EricLew	0:3eee9435dd17	1645	* @retval None
EricLew	0:3eee9435dd17	1646	*/
EricLew	0:3eee9435dd17	1647	void MFX_IO_Delay(uint32_t Delay)
EricLew	0:3eee9435dd17	1648	{
EricLew	0:3eee9435dd17	1649	HAL_Delay(Delay);
EricLew	0:3eee9435dd17	1650	}
EricLew	0:3eee9435dd17	1651
EricLew	0:3eee9435dd17	1652
EricLew	0:3eee9435dd17	1653	/******************************* LINK AUDIO *******************************/
EricLew	0:3eee9435dd17	1654	/**
EricLew	0:3eee9435dd17	1655	* @brief Initializes Audio low level.
EricLew	0:3eee9435dd17	1656	* @retval None
EricLew	0:3eee9435dd17	1657	*/
EricLew	0:3eee9435dd17	1658	void AUDIO_IO_Init(void)
EricLew	0:3eee9435dd17	1659	{
EricLew	0:3eee9435dd17	1660	GPIO_InitTypeDef GPIO_InitStruct;
EricLew	0:3eee9435dd17	1661
EricLew	0:3eee9435dd17	1662	/* Enable Reset GPIO Clock */
EricLew	0:3eee9435dd17	1663	AUDIO_RESET_GPIO_CLK_ENABLE();
EricLew	0:3eee9435dd17	1664
EricLew	0:3eee9435dd17	1665	/* Audio reset pin configuration */
EricLew	0:3eee9435dd17	1666	GPIO_InitStruct.Pin = AUDIO_RESET_PIN;
EricLew	0:3eee9435dd17	1667	GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;
EricLew	0:3eee9435dd17	1668	GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_HIGH;
EricLew	0:3eee9435dd17	1669	GPIO_InitStruct.Pull = GPIO_NOPULL;
EricLew	0:3eee9435dd17	1670	HAL_GPIO_Init(AUDIO_RESET_GPIO, &GPIO_InitStruct);
EricLew	0:3eee9435dd17	1671
EricLew	0:3eee9435dd17	1672	/* I2C bus init */
EricLew	0:3eee9435dd17	1673	I2C1_Init();
EricLew	0:3eee9435dd17	1674
EricLew	0:3eee9435dd17	1675	/* Power Down the codec */
EricLew	0:3eee9435dd17	1676	CODEC_AUDIO_POWER_OFF();
EricLew	0:3eee9435dd17	1677
EricLew	0:3eee9435dd17	1678	/* wait for a delay to insure registers erasing */
EricLew	0:3eee9435dd17	1679	HAL_Delay(5);
EricLew	0:3eee9435dd17	1680
EricLew	0:3eee9435dd17	1681	/* Power on the codec */
EricLew	0:3eee9435dd17	1682	CODEC_AUDIO_POWER_ON();
EricLew	0:3eee9435dd17	1683
EricLew	0:3eee9435dd17	1684	/* wait for a delay to insure registers erasing */
EricLew	0:3eee9435dd17	1685	HAL_Delay(5);
EricLew	0:3eee9435dd17	1686	}
EricLew	0:3eee9435dd17	1687
EricLew	0:3eee9435dd17	1688	/**
EricLew	0:3eee9435dd17	1689	* @brief Deinitializes Audio low level.
EricLew	0:3eee9435dd17	1690	* @retval None
EricLew	0:3eee9435dd17	1691	*/
EricLew	0:3eee9435dd17	1692	void AUDIO_IO_DeInit(void) /* TO DO */
EricLew	0:3eee9435dd17	1693	{
EricLew	0:3eee9435dd17	1694	GPIO_InitTypeDef GPIO_InitStruct;
EricLew	0:3eee9435dd17	1695
EricLew	0:3eee9435dd17	1696	/***********************************************************************/
EricLew	0:3eee9435dd17	1697	/* In case of battery-supplied powered, there is no audio codec-based
EricLew	0:3eee9435dd17	1698	features available. Set audio codec I/O default setting */
EricLew	0:3eee9435dd17	1699	/***********************************************************************/
EricLew	0:3eee9435dd17	1700	__HAL_RCC_GPIOE_CLK_ENABLE();
EricLew	0:3eee9435dd17	1701	GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP ;
EricLew	0:3eee9435dd17	1702	GPIO_InitStruct.Pin = (GPIO_PIN_2 \| GPIO_PIN_3 \| GPIO_PIN_4 \| GPIO_PIN_5 \| GPIO_PIN_6);
EricLew	0:3eee9435dd17	1703	GPIO_InitStruct.Pull = GPIO_PULLDOWN;
EricLew	0:3eee9435dd17	1704	GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_VERY_HIGH;
EricLew	0:3eee9435dd17	1705	HAL_GPIO_Init(GPIOE, &GPIO_InitStruct);
EricLew	0:3eee9435dd17	1706	HAL_GPIO_WritePin(GPIOE, GPIO_PIN_2, GPIO_PIN_RESET);
EricLew	0:3eee9435dd17	1707	HAL_GPIO_WritePin(GPIOE, GPIO_PIN_3, GPIO_PIN_RESET);
EricLew	0:3eee9435dd17	1708	HAL_GPIO_WritePin(GPIOE, GPIO_PIN_4, GPIO_PIN_RESET);
EricLew	0:3eee9435dd17	1709	HAL_GPIO_WritePin(GPIOE, GPIO_PIN_5, GPIO_PIN_RESET);
EricLew	0:3eee9435dd17	1710	HAL_GPIO_WritePin(GPIOE, GPIO_PIN_6, GPIO_PIN_RESET);
EricLew	0:3eee9435dd17	1711
EricLew	0:3eee9435dd17	1712	/* I2C bus Deinit */
EricLew	0:3eee9435dd17	1713	I2C1_DeInit();
EricLew	0:3eee9435dd17	1714	}
EricLew	0:3eee9435dd17	1715
EricLew	0:3eee9435dd17	1716	/**
EricLew	0:3eee9435dd17	1717	* @brief Writes a single data.
EricLew	0:3eee9435dd17	1718	* @param Addr: I2C address
EricLew	0:3eee9435dd17	1719	* @param Reg: Reg address
EricLew	0:3eee9435dd17	1720	* @param Value: Data to be written
EricLew	0:3eee9435dd17	1721	* @retval None
EricLew	0:3eee9435dd17	1722	*/
EricLew	0:3eee9435dd17	1723	void AUDIO_IO_Write(uint8_t Addr, uint8_t Reg, uint8_t Value)
EricLew	0:3eee9435dd17	1724	{
EricLew	0:3eee9435dd17	1725	I2C1_WriteBuffer(Addr, (uint16_t)Reg, I2C_MEMADD_SIZE_8BIT, &Value, 1);
EricLew	0:3eee9435dd17	1726	}
EricLew	0:3eee9435dd17	1727
EricLew	0:3eee9435dd17	1728	/**
EricLew	0:3eee9435dd17	1729	* @brief Reads a single data.
EricLew	0:3eee9435dd17	1730	* @param Addr: I2C address
EricLew	0:3eee9435dd17	1731	* @param Reg: Reg address
EricLew	0:3eee9435dd17	1732	* @retval Data to be read
EricLew	0:3eee9435dd17	1733	*/
EricLew	0:3eee9435dd17	1734	uint8_t AUDIO_IO_Read(uint8_t Addr, uint8_t Reg)
EricLew	0:3eee9435dd17	1735	{
EricLew	0:3eee9435dd17	1736	uint8_t Read_Value = 0;
EricLew	0:3eee9435dd17	1737
EricLew	0:3eee9435dd17	1738	I2C1_ReadBuffer((uint16_t) Addr, (uint16_t) Reg, I2C_MEMADD_SIZE_8BIT, &Read_Value, 1);
EricLew	0:3eee9435dd17	1739
EricLew	0:3eee9435dd17	1740	return Read_Value;
EricLew	0:3eee9435dd17	1741	}
EricLew	0:3eee9435dd17	1742
EricLew	0:3eee9435dd17	1743	/**
EricLew	0:3eee9435dd17	1744	* @brief AUDIO Codec delay
EricLew	0:3eee9435dd17	1745	* @param Delay: Delay in ms
EricLew	0:3eee9435dd17	1746	* @retval None
EricLew	0:3eee9435dd17	1747	*/
EricLew	0:3eee9435dd17	1748	void AUDIO_IO_Delay(uint32_t Delay)
EricLew	0:3eee9435dd17	1749	{
EricLew	0:3eee9435dd17	1750	HAL_Delay(Delay);
EricLew	0:3eee9435dd17	1751	}
EricLew	0:3eee9435dd17	1752	#endif /* HAL_I2C_MODULE_ENABLED */
EricLew	0:3eee9435dd17	1753
EricLew	0:3eee9435dd17	1754	/**
EricLew	0:3eee9435dd17	1755	* @}
EricLew	0:3eee9435dd17	1756	*/
EricLew	0:3eee9435dd17	1757
EricLew	0:3eee9435dd17	1758	/**
EricLew	0:3eee9435dd17	1759	* @}
EricLew	0:3eee9435dd17	1760	*/
EricLew	0:3eee9435dd17	1761
EricLew	0:3eee9435dd17	1762	/**
EricLew	0:3eee9435dd17	1763	* @}
EricLew	0:3eee9435dd17	1764	*/
EricLew	0:3eee9435dd17	1765
EricLew	0:3eee9435dd17	1766	/**
EricLew	0:3eee9435dd17	1767	* @}
EricLew	0:3eee9435dd17	1768	*/
EricLew	0:3eee9435dd17	1769
EricLew	0:3eee9435dd17	1770	/********************** (C) COPYRIGHT STMicroelectronics *END OF FILE**/
EricLew	0:3eee9435dd17	1771
EricLew	0:3eee9435dd17	1772

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Type:	Program
Created:	13 Dec 2015
Imports:	68
Forks:	0
Commits:	1
Dependents:	0
Dependencies:	3
Followers:	8

stm32l476g_discovery.c@0:3eee9435dd17, 2015-12-13 (annotated)

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